107. H. T. Stokes and B. J. Campbell, "A General Algorithm for Generating
Isotropy Subgroups in Superspace," *Acta Cryst. A* **73**, 4-13 (2017).

106. H. T. Stokes, S. van Orden, and
B. J. Campbell, "ISOSUBGROUP: an Internet Tool for Generating Isotropy
Subgroups of Crystallographic Space Groups," *J. Appl Cryst.*
**49**, 1849-1853 (2016).

104. J. W. Lewis, J. L. Payne, I. R. Evans,
H. T. Stokes, B. J. Campbell, J. S. O. Evans, "An Exhaustive Symmetry Approach
to Structure Determination: Phase Transitions in
Bi_{2}Sn_{2}O_{7}." *J. Amer. Chem. Soc.*
**138**, 8031-8042 (2016).

103. B.J. Campbell, S. Rosenkranz, H.J. Kang, H.T. Stokes, P.J. Chupas,
S. Komiya, Y. Ando, Shiliang Li, and Pengcheng Dai, "Long-Range Two-Dimensional
Superstructure in the Superconducting Electron-Doped Cuprate
Pr_{0.88}LaCe_{0.12}CuO_{4}",
*Phys. Rev. B* **92**,
014118-1-7 (2015).

102. C. Mshumi, C. I. Lang, L. R. Richey, K. C. Erb,
C. W. Rosenbrock, L. J. Nelson, R. R. Vanfleet, H. T. Stokes, B. J. Campbell,
G. L. W. Hart, "Revisiting the CuPt_{3} Prototype and the L1_{3}
Structure." *Acta Materialia* **73**, 326-336 (2014).

101. M. Muller, R. E. Dinnebier, A.-C. Dippel,
H. T. Stokes, and B. J. Campbell, "A Symmetry-Mode Description of Rigid-Body
Rotations in Crystalline Solids: A Case Study of
Mg(H_{2}O)_{6}RbBr_{3}." *J. Appl. Cryst.*
**47**, 532-538 (2014).

100. C. J. Howard, B. J. Campbell, H. T. Stokes, M. A. Carpenter,
and R. I. Thomson, "Crystal and Magnetic Structures of Hexagonal
YMnO_{3}." *Acta Cryst. B* **69**, 534-540 (2013).

99. H. T. Stokes, B. J. Campbell, and R. Cordes, "Tabulation
of Irreducible Representations of the Crystallographic Space Groups
and Their Superspace Extensions." *Acta Cryst. A*. **69**,
388-395 (2013).

98. A. O. Lyakhov, A. R. Oganov, H. Stokes, and Q. Zhu, "New
Developments in Evolutionary Structure Prediction Algorithm USPEX."
*Computer Phys. Comm.* **184**, 1172-1182 (2013).

97. S. van Smaalen, B. J. Campbell, and H. T. Stokes,
"Equivalence of Superspace Groups."
*Acta Cryst. A*, **69**, 75-90 (2013).

96. Q. Zhu, A. Oganov, C. Glass, and H. Stokes,
"Constrained Evolutionary Algorithm for Structure
Prediction of Molecular Crystals: Methodology
and Applications." *Acta Cryst. B*, **68**, 215-226 (2012).

95. S. Curtarolo, W. Setyawan, G. L. W. Hart, M. Jahnatek,
R. V. Chepulskii, R. H. Taylor, S. Wang, J. Xue, K. Yang, O. Levy,
M. J. Mehl, H. T. Stokes, D. O. Demchenko, and D. Morgan,
"AFLOW: An Automatic Framework for High-Throughput Materials Discovery,"
*Computational Materials Science*, **58**, 218-226 (2012).

94. S. Kerman, B. J. Campbell, K. K. Satyavarapu,
H. T. Stokes, F. Perselli and J. S. O. Evans,
"The Superstructure Determination of Displacive Distortions via
Symmetry-Mode Analysis."
*Acta Cryst. A*, **68**, 222-234 (2012).

93. B. P. Burton, A. van de Walle and H. T. Stokes,
"First Principles Phase Diagram Calculations for the Octahedral-Interstitial
System ZrO_{X}, 0<=*X*<=1/2."
*J. Phys. Soc. Japan* **81** 014004-1-7 (2012).

92. K. Esfarjani, G. Chen, and H. T. Stokes,
"Heat Transport in Silicon from First Principles Calculations."
*Phys. Rev. B*, **84**, 085204-1-11 (2011).

91. H. T. Stokes, B. J. Campbell, and S. van Smaalen,
"Generation of (3+d)-Dimensional Superspace Groups for Describing
the Symmetry of Modulated Crystalline Structures."
*Acta Cryst. A*, **67**, 45-55 (2011).

90. B. Xu, H. Stokes, and J. Dong, "First-Principles Calculation of
Kinetic Barriers and Metastability for the
Corundum-to-Rh_{2}O_{3}(II) Transition in
Al_{2}O_{3}." *J. Phys. Condens. Matter* **22**,
315403-1-6 (2010).

89. L. L. Boyer, H. T. Stokes, M. M. Ossowski, and M. J. Mehl,
"Self-Consistent Atomic Deformation Method for Application of Density
Functional Theory." *Phys. Rev. B* **78**,
045121-1-25 (2008).

88. K. Esfarjani and H. T. Stokes, "Method to Extract Anharmonic Force
Constants from First Principles Calculations." *Phys. Rev. B* **77**,
144112-1-7 (2008). Erratum in *Phys. Rev. B* **86**,
019904(E) (2012).

87. H. T. Stokes, J. Gunter, D. M. Hatch, J. Dong, H. Wang, and J. P. Lewis,
"Bilayer Sliding Mechanism for the Wurtzite-to-Rocksalt Transition."
*Phys. Rev. B* **76**, 012102-1-4 (2007).

86. H. T. Stokes, B. J. Campbell, and D. M. Hatch,
"Order Parameters for Phase Transitions to Structures with One-Dimensional
Incommensurate Modulations." *Acta Cryst. A* **63**, 365-373
(2007).

85. B. J. Campbell, H. T. Stokes, D. E. Tanner, and D. M. Hatch,
"ISODISPLACE: An Internet Tool for Exploring Structural Distortions."
*J. Appl. Cryst.* **39**, 607-614 (2006).

84. S. K. Mishra, R. Rajeev, D. Pandey, and H. T. Stokes, "Resolving
the Controversies about the 'Nearly Cubic' and Other Phases of Sr_{1-x}Ca_{x}TiO_{3} (0<*x*<1): I. Room Temperature
Structures." *J. Phys.: Condens. Matter* **18**, 1885-1898 (2006).

83. D. R. Trinkle, D. M. Hatch, H. T. Stokes, R. G. Hennig, and
R. C. Albers, "Systematic Pathway Generation and Sorting in Martensitic
Transformations: Titanium alpha to omega." *Phys. Rev. B* **72**,
014105-1-11 (2005).

82. D. M. Hatch, H. T. Stokes, J. Dong, J. Gunter, H. Wang,
and J. P. Lewis, "Bilayer Sliding Mechanism for the Zinc-blende to
Rocksalt Transition in SiC." *Phys. Rev. B* **71**, 184109-1-9 (2005).

81. H. T. Stokes and D. M. Hatch, "FINDSYM: Program for Identifying
the Space Group Symmetry of a Crystal."
*J. Appl. Cryst.* **38**, 237-238 (2005).

80. C. J. Howard and H. T. Stokes,
"Structures and Phase Transitions in Perovskites - a Group-Theoretical
Approach." *Acta Cryst. A* **61**, 93-111 (2005).

79. C. J. Howard and H. T. Stokes,
"Octahedral Tilting in Cation-Ordered Perovskites - a Group-Theoretical
Analysis." *Acta Cryst. B* **60**, 674-684 (2004).

78. H. T. Stokes, D. M. Hatch, J. Dong, and J. P. Lewis, "Mechanisms
for the Reconstructive Phase Transition between the B1 and B2 Structure
Types in NaCl and PbS." *Phys. Rev. B* **69**, 174111-1-5 (2004).

77. H. T. Stokes and D. M. Hatch, "Symmetry of Possible Average
Multidomain Structures at a Phase Transition." *Ferroelectrics*
**292**, 59-63 (2003).

76. D. M. Hatch, H. T. Stokes, and W. Cao, "Allowed Mesoscopic
Point Group Symmetries in Domain Average Engineering of Perovskite
Ferroelectric Crystals." *J. Appl. Phys.* **94**, 5220-5227 (2003).

75. D. R. Trinkle, S. G. Srinivasan, D. M. Hatch, R. G. Hennig,
M. D. Jones, H. T. Stokes, R. C. Albers, and J. W. Wilkins,
"A New Mechanism for the alpha to omega Martensitic Transformation
in Pure Titanium." *Phys. Rev. Lett.* **91**, 025701-1-4 (2003).

74. C. Capillas, E. Kroumova, M. I. Aroyo, J. M. Perez-Mato, H. T. Stokes,
and D. M. Hatch, "SYMMODES: a Software Package for Group-Theoretical
Analysis of Structural Phase Transitions."
*J. Appl. Cryst.* **36**, 953-954 (2003).

73. D. M. Hatch and H. T. Stokes, "INVARIANTS: Program for Obtaining
a List of Invariant Polynomials of the Order Parameter Components
Associated with Irreducible Representations of a Space Group."
*J. Appl. Cryst.* **36**, 951-952 (2003).

72. H. T. Stokes, E. H. Kisi, D. M. Hatch, and C. J. Howard,
"Group Theoretical Analysis of Octahedral Tilting in Ferroelectric
Perovskites." *Acta Cryst. B* **58**, 934-936 (2002).

71. L. L. Boyer, M. J. Mehl, and H. T. Stokes, "Calculation of
Polarization." * Phys. Rev. B* **66**, 092106-1-3 (2002).

70. D. M. Hatch, H. T. Stokes, R. Ranjan, Ragini, S. K. Mishra,
D. Pandey, and B. J. Kennedy, "Antiferrodistortive Phase Transitions in
Pb(Ti_{0.48}Zr_{0.52})O_{3}: Space Group
of the Lowest Temperature Monoclinic Phase."
* Phys. Rev. B* **65**, 212101-1-3 (2002).

69. H. T. Stokes and D. M. Hatch, "Procedure for Obtaining Microscopic
Mechanisms of Reconstructive Phase Transitions in Crystalline Solids."
* Phys. Rev. B* **65**, 144114-1-12 (2002).

68. D. M. Hatch and H. T. Stokes, "COPL: Program for Obtaining a
Complete List of Order Parameters for a Group-Subgroup Crystalline
Phase Transition."
*J. Appl. Cryst.* **35**, 379 (2002).

67. G. M. Chechin, O. A. Lavrova, V. P. Sakhnenko, H. T. Stokes, and
D. M. Hatch, "New Approach to Nonlinear Dynamics of Fullerenes and
Fullerites." *Physics of the Solid State* **44**, 581-584 (2002).
[*Fizika Tverdogo Tela* **44**, 554-556 (2002).]

66. H. T. Stokes, C. Sadate, D. M. Hatch, L. L. Boyer, and M. J. Mehl,
"Analysis of the Ferroelectric Phase Transition in
BaAl_{2}O_{4} by Group Theoretical Methods and First
Principles Calculations."
*Phys. Rev. B* **65**, 064105-1-4 (2002).

65. D. M. Hatch and H. T. Stokes,
"The Complete Listing of Order Parameters for a Crystalline Phase Transition:
A Solution to the Generalized Landau Problem."
*Phys. Rev. B* **65**, 014113-1-4 (2002).

64. D. M. Hatch, T. Lookman, A. Saxena, and H. T. Stokes,
"Systematics of Group-Nonsubgroup Transitions: Square to Triangle
Transition."
*Phys. Rev. B* **64**, 060104-1-4 (2001).

63. L. L. Boyer, M. J. Mehl, W. N. Mei, C.-G. Duan, J. W. Flocken,
R. A. Guenther, J. R. Hardy, H. T. Stokes, and P. J. Edwardson,
"Predicted Properties of NaCaF_{3}." in *Fundamental Physics
of Ferroelectrics 2000: Aspen Center for Physics Winter Workshop*,
pp. 364-371,
edited by R. E. Cohen (American Institute of Physics, 2000).

62. W. N. Mei, L. L. Boyer, M. J. Mehl, M. M. Ossowski, and H. T. Stokes,
"Calculation of Electronic, Structural and Vibrational Properties in
Alkali Halides Using a Density Functional Method with Localized Densities."
*Phys. Rev. B* **61**, 11425-11431 (2000).

61. L. L. Boyer, H. T. Stokes, and M. J. Mehl, "Calculation of Polarization
Using a Density Functional Method with Localized Charge."
*Phys. Rev. Lett. * **84**, 709-712 (2000).

60. G. M. Chechin, V. P. Sakhnenko, H. T. Stokes, A. D. Smith, and D.
M. Hatch, "Nonlinear Normal Modes for Systems with Discrete Symmetry,"
*Inter.
J. Non-Linear Mech.* **35**, 497-513 (2000).

59. C. S. Hellberg, W. E. Pickett, L. L. Boyer, H. T. Stokes, and M.
J. Mehl, "*Ab Initio *Calculation of Spin Gap Behavior in CaV_{4}O_{9}."
*J. Phys. Soc. Japan ***68**, 3489-3492 (1999).

58. W. E. Dibble, G. W. Hart, and H. T. Stokes, "A Pedagogical Note
on the Relativistic Velocity Addition Formula," *The Physics Teacher
***37**,
369 (1999).

57. C. J. Howard and H. T. Stokes, "Group Theoretical Analysis of Octahedral
Tilting in Perovskites," *Acta Cryst. B* **54**, 782-789 (1998).
Erratum in *Acta Cryst. B* **58**, 565 (2002).

56. L. L. Boyer, H. T. Stokes, and M. J. Mehl, "Applications of a Kohn-Sham-Like
Formulation of the Self-Consistent Atomic Deformation Model," *Ferroelectrics***194**,
173-186 (1997).

55. D. M. Hatch, R. A. Hatt, and H. T. Stokes, "Systematic Approach
to the Study of Domain Twins in Ferroic Phase Transitions," *Ferroelectrics***191**,
29-35 (1997).

54. H. T. Stokes, L. L. Boyer, and M. J. Mehl, "Spherical Self-Consistent
Atomic Deformation Model for First-Principles Energy Calculations in Ionic
Crystalline Solids," *Phys. Rev. B ***54**, 7729-7736 (1996).

53. P. D. Tepesch, A. F. Kohan, G. D. Garbulsky, G. Ceder, C. Coley,
H. T. Stokes, L. L. Boyer, M. J. Mehl, B. P. Burton, K. Cho, and J. Joannopoulos,
"A Model to Compute Phase Diagrams in Oxides with Empirical or First-Principles
Energy Methods and Application to the Solubility Limits in the CaO-MgO
System," *J. Amer. Ceramic Soc.* **79**, 2033-2040 (1996).

52. M. J. Mehl, L. L. Boyer, and H. T. Stokes, "Development of a Kohn-Sham
Like Potential in the Self-Consistent Atomic Deformation Model," *J.
Phys. Chem. Solids* **57**, 1405-1407 (1996).

51. B. J. Campbell, H. T. Stokes, and J. Boerio-Goates, "NMR Study of
Ammonium Magnesium Langbeinite," *Phys. Rev*. *B* **51**,
11315-11318 (1995).

50. L. L. Boyer, H. T. Stokes, and M. J. Mehl, "Self-Consistent Potential
Induced Breathing Model Calculations for Longitudinal Modes in MgO," *Ferroelectrics
***164**,
177-181 (1995).

49. H. T. Stokes, "Using Symmetry in Frozen Phonon Calculations," *Ferroelectrics***164**,
183-188 (1995).

48. H. T. Stokes, D. L. Decker, H. M. Nelson, and J. D. Jorgensen, "Structure
of Potassium Cyanide at Low Temperature and High Pressure Determined by
Neutron Diffraction," *Phys. Rev.* *B ***47**, 11082-11092
(1993).

47. H. T. Stokes, D. M. Hatch, and H. M. Nelson, "Landau, Lifshitz,
and Weak Lifshitz Conditions in the Landau Theory of Phase Transitions
in Solids," *Phys. Rev.* *B ***47**, 9080-9083 (1993).

46. H. T. Stokes, D. M. Hatch, and J. D. Wells, "Group-Theoretical Methods
for Obtaining Distortions in Crystals: Applications to Vibrational Modes
and Phase Transitions," *Phys. Rev. B* **43**, 11010-11018 (1991).

45. H. T. Stokes and D. M. Hatch, "Coupled Order Parameters in the Landau
Theory of Phase Transitions in Solids," *Phase Transitions ***34**,
53-67 (1991).

44. H. T. Stokes, "A TeX Previewer for `Slow' Terminals," *TUGboat***11**,
513-514 (1990).

43. D. M. Hatch, S. Ghose, and H. T. Stokes, "Phase Transitions in Leucite,
KAlSi_{2}O_{6}. I. Symmetry Analysis with Order Parameter
Treatment and the Resulting Microscopic Description" *Phys. Chem. Minerals
***17**,
220-227 (1990).

42. D. M. Hatch and H. T. Stokes, "Group Theoretical Description of
Phase Transitions in Solid Bromoform," *J. Phys.: Condens. Matter***2**,
1121-1128 (1990).

41. D. M. Hatch and H. T. Stokes, "Comment on `Silent Soft Mode in Hexagonal
Barium Titanate Observed by Hyper-Raman Scattering,'" *Phys. Rev. B***40**,
4198-4200 (1989).

40. D. M. Hatch H. T. Stokes, K. S. Aleksandrov, and S. V. Misyul, "Phase
Transitions in the Perovskitelike A_{2}BX_{4 }Structure,"
*Phys.
Rev. B* **39**, 9282-9288 (1989).

39. D. M. Hatch, H. T. Stokes, and R. M. Putnam, "Space Group Representations
Induced by Local Site Symmetries," in *Group Theoretical Methods in Physics*,
edited by H. D. Doebner, J. D. Hennig, and T. D. Palev (Springer, New York,
1988), pp.~326-333.

38. J. D. Barnett and H. T. Stokes, "Improved Student Laboratory on
the Measurement of Planck's Constant Using the Photoelectric Effect," *Amer.
J. Phys*. **56**, 86-87 (1988).

37. D. M. Hatch and H. T. Stokes, "Isotropy Subgroups for Reducible
Representations of Space Groups," in *XV International Colloquium on
Group Theoretical Methods in Physics*, edited by R. Gilmore (World Scientific,
Singapore, 1987), pp.~710-715.

36. D. M. Hatch and H. T. Stokes, "Classification of Octahedral Tilting
Phases in the Perovskitelike A_{2}BX_{4} Structure," *Phys.
Rev. B* **35**, 8509-8516 (1987). Erratum published in *Phys. Rev.
B* **36**, 7185 (1987).

35. D. M. Hatch, H. T. Stokes, and R. M. Putnam, "Symmetry Analysis
of the Microstructure and Phase Transitions of a Crystallographic Space
Group: Applications," *Phys. Rev. B* **35**, 4935-4942 (1987).

34. H. T. Stokes, D. M. Hatch, and J. S. Kim, "Images of Physically
Irreducible Representations of the 230 Space Groups," *Acta Cryst. A*,
**43**,
81-84 (1987).

33. H. T. Stokes, J. S. Kim, and D. M. Hatch, "Continuous Solid-Solid
Phase Transitions Driven by an Eight-Component Order Parameter: Hamiltonian
Densities and Renormalization-Group Theory," *Phys. Rev. B ***35**,
388-390 (1987).

32. D. M. Hatch and H. T. Stokes, "Systematic Classification of Symmetry
Changes in Solid-Solid Phase Transitions," in *Computer Modeling of Phase
Diagrams*, edited by L. H. Bennett (Metallurgical Society, Warrendale,
Pennsylvania, 1986), pp.~145-162.

31. D. M. Hatch and H. T. Stokes, "Comment on `Irrelevant Variables,
Landau Expansions, and Cubic Anisotropy,'" *Phys. Rev. B* **33**,
7811-7812 (1986).

30. D. M. Hatch and H. T. Stokes, "Phase Transitions and Renormalization
Group Hamiltonian Densities in the 80 Diperiodic Space Groups," *Phase
Transitions* **7**, 87-279 (1986).

29. J. S. Kim, H. T. Stokes, and D. M. Hatch, "Classification of Continuous
Phase Transitions and Stable Phases. II. Four-Dimensional Order Parameters,"
*Phys.
Rev. B* **33**, 6210-6230 (1986).

28. D. M. Hatch, J. S. Kim, H. T. Stokes, and J. W. Felix, "Renormalization-Group
Classification of Continuous Structural Phase Transitions Induced by Six-Component
Order Parameters," *Phys. Rev. B* **33**, 6196-6209 (1986).

27. J. S. Kim, D. M. Hatch, and H. T. Stokes, "Classification of Continuous
Phase Transitions and Stable Phases. I. Six-Dimensional Order Parameters,"
*Phys.
Rev. B* **33**, 1774-1788 (1986).

26. D. M. Hatch, H. T. Stokes, J. S. Kim, and J. W. Felix, "Selection
of Stable Fixed Points by the Toledano-Michel Symmetry Criterion: Six-Component
Example," *Phys. Rev. B* **32**, 7624-7627 (1985).

25. D. M. Hatch and H. T. Stokes, "Active Representations in Crystals
of Cubic Symmetry," *Phys. Status Solidi B* **130**, 79-86 (1985).

24. H. T. Stokes and D. M. Hatch, "Equivalence among Isotropy Subgroups
of Space Groups," *Phys. Rev. B* **31**, 7462-7464 (1985).

23. H. T. Stokes and R. D. Swinney, "Model for CN^{-} Reorientations
in the Low-Temperature Phases in KCN and NaCN," *Phys. Rev. B* **31**,
7133-7137 (1985).

22. D. M. Hatch and H. T. Stokes, "Phase Transitions in Solids of Diperiodic
Symmetry," *Phys. Rev. B* **31**, 4350-4354 (1985).

21. D. M. Hatch and H. T. Stokes, "Practical Algorithm for Identifying
Subgroups of Space Groups," *Phys. Rev. B ***31**, 2908-2912 (1985).

20. D. M. Hatch and H. T. Stokes, "Symmetry-Restricted Phase Transitions
in Two-Dimensional Solids," *Phys. Rev. B* **30**, 5156-5166 (1984).

19. H. T. Stokes and D. M. Hatch, "Group-Subgroup Structural Phase Transitions:
A Comparison with Existing Tables," *Phys. Rev. B* **30**, 4962-4967
(1984). Erratum published in Phys. Rev. B 31, 4700 (1985).

18. H. T. Stokes, D. C. Ailion, and T. A. Case, "Molecular Reorientations
in the Ordered Phases of KCN and NaCN Studied by NMR," *Phys. Rev. B***30**,
4925-4934 (1984).

17. H. T. Stokes and D. M. Hatch, "Model for the Ordered Phases in KCN
and NaCN," *Phys. Rev. B* **30**, 3845-3858 (1984).

16. H. T. Stokes, "Nuclear Magnetic Resonance Techniques for Studying
Platinum Catalysts," in *Catalytic Materials: Relationship between Structure
and Reactivity*, ACS Symposium Series 248, edited by T. E. White, R.
A. Dalla Betta, E. G. Derouane, and R. T. K. Baker (American Chemical Society,
Washington D.C., 1984), pp. 385-398.

15. H. T. Stokes, C. D. Makowka, P.-K. Wang, S. L. Rudaz, C. P. Slichter,
and J. H. Sinfelt, "NMR Studies of Platinum Catalysts," *J. Mol. Catal*.
**20**,
321-325 (1983).

14. H. T. Stokes, H. E. Rhodes, P.-K. Wang, C. P. Slichter, and J. H.
Sinfelt, "NMR of Platinum Catalysts. III. Microscopic Variation of the
Knight Shifts," *Phys. Rev. B* **26**, 3575-3581 (1982).

13. H. E. Rhodes, P.-K. Wang, C. D. Makowka, S. L. Rudaz, H. T. Stokes,
C. P. Slichter, and J. H. Sinfelt, "NMR of Platinum Catalysts. II. Relaxation,"
*Phys.
Rev. B* **26**, 3569-3574 (1982).

12. H. E. Rhodes, P.-K. Wang, H. T. Stokes, C. P. Slichter, and J. H.
Sinfelt, "NMR of Platinum Catalysts. I. Line Shapes," *Phys. Rev. B***26**,
3559-3568 (1982).

11. H. T. Stokes, T. A. Case, and D. C. Ailion, "Evidence for Elastic
Disorder in the Elastically Ordered Phase of KCN," *Phys. Rev. Lett.***47**,
268-271 (1981).

10. H. T. Stokes, H. E. Rhodes, P.-K. Wang, C. P. Slichter, and J. H.
Sinfelt, "NMR of Small Platinum Particles," in *Nuclear and Electron
Resonance Spectroscopies Applied to Materials Science,* edited by E.
N. Kaufmann and G. K. Shenoy (North-Holland, New York, 1981), pp. 253-258.

9. T. A. Case and H. T. Stokes, "Versatile Pulse Sequence Generator
for Pulse NMR," *J. Magn. Reson.* **35**, 439-445 (1979).

8. H. T. Stokes and D. C. Ailion, "Zeeman-Quadrupole Cross Relaxation
between Two Nuclear Spin Species," *J. Chem. Phys*. **70**, 3572-3576
(1979).

7. H. T. Stokes, T. A. Case, D. C. Ailion, and C. H. Wang, "NMR Observations
of Molecular Motions and Zeeman-Quadrupole Cross Relaxation in 1,2-difluorotetrachloroethane,"
*J.
Chem. Phys. ***70**, 3563-3571 (1979).

6. H. T. Stokes and D. C. Ailion, "Nuclear-Magnetic-Resonance Methods
for Identifying and Studying Diffusion of Different Spin Species in Heteronuclear
Systems," *Phys. Rev. B* **18**, 141-156 (1978).

5. H. T. Stokes, "Tuned Limiter for Receiver Amplifier in a Fast-Recovery
Pulsed NMR Spectrometer," *Rev. Sci. Instrum.* **49**, 1011-1012
(1978).

4. H. T. Stokes and D. C. Ailion, "Nuclear Magnetic Resonance in LiF:
A Single Nuclear-Dipolar-Spin Temperature in Crystals with More than One
Spin Species," *Phys. Rev. B* **16**, 4746-4752 (1977).

3. H. T. Stokes and D. C. Ailion, "Nuclear Magnetic Resonance in Lithium
Metal: Thermal Mixing," *Phys. Rev. B ***16**, 3056-3060 (1977).

2. H. T. Stokes and D. C. Ailion, "New NMR Technique for Studying Diffusion
in Multispin Crystals," *Phys. Rev. Lett.* **38**, 1159-1161 (1977).

1. H. T. Stokes and D. C. Ailion, "Nuclear Double Resonance: Cross Relaxation
Rates between Two Spin Species," *Phys. Rev. B* **15**, 1271-1282
(1977).