Jones, 1989, Rev. Mod. Phys., 61, 689, 10.1103/RevModPhys.61.689
Feynman, 1939, Phys. Rev., 56, 340, 10.1103/PhysRev.56.340
Kohn, 1965, Phys. Rev., 140, A1133, 10.1103/PhysRev.140.A1133
Car, 1985, Phys. Rev. Lett., 55, 2471, 10.1103/PhysRevLett.55.2471
Pastore, 1991, Phys. Rev., A44, 6334, 10.1103/PhysRevA.44.6334
Nosé, 1984, J. Chem. Phys., 81, 511, 10.1063/1.447334
Fernando, 1989, Phys. Rev., B40, 7985, 10.1103/PhysRevB.40.7985
Stich, 1991, Phys. Rev., B44, 4262, 10.1103/PhysRevB.44.4262
Arias, 1992, Phys. Rev. Lett., 69, 1077, 10.1103/PhysRevLett.69.1077
Teter, 1989, Phys. Rev., B40, 12255, 10.1103/PhysRevB.40.12255
Payne, 1992, Rev. Mod. Phys., 64, 1045, 10.1103/RevModPhys.64.1045
Yamamoto, 1992, Phys. Rev., B46, 13596, 10.1103/PhysRevB.46.13596
Kresse, 1993, Phys. Rev., B47, RC 558, 10.1103/PhysRevB.47.558
Kresse, 1993, Phys. Rev., B48, 13115, 10.1103/PhysRevB.48.13115
Weinert, 1992, Phys. Rev., B45, 13709, 10.1103/PhysRevB.45.13709
Wentzcovitch, 1992, Phys. Rev., B45, 11372, 10.1103/PhysRevB.45.11372
A. De Vita and M.J. Gillan, preprint (Aug. 1992).
Wood, 1984, J. Phys., A18, 1343
Bylander, 1990, Phys. Rev., B42, 1394, 10.1103/PhysRevB.42.1394
Kerker, 1981, Phys. Rev., B23, 3082, 10.1103/PhysRevB.23.3082
Johnson, 1988, Phys. Rev., B38, 12087
Vanderbilt, 1990, Phys. Rev., B41, 7892, 10.1103/PhysRevB.41.7892
Laasonen, 1993, Phys. Rev., B47, 10142, 10.1103/PhysRevB.47.10142
Rappe, 1990, Phys. Rev., B41, 1227, 10.1103/PhysRevB.41.1227
Kresse, 1994, J. Phys.: Condens. Matter, 6, 8245
Arias, 1992, Phys. Rev., B45, 1538, 10.1103/PhysRevB.45.1538
Bylander, 1992, Phys. Rev., B46, 13756, 10.1103/PhysRevB.46.13756
Vanderbilt, 1985, Phys. Rev., B32, 8412, 10.1103/PhysRevB.32.8412
Kresse, 1992, J. Phys.: Condens. Matter, 4, 7451
Murday, 1971, Z. Naturforsch., 26a, 85, 10.1515/zna-1971-0117
Hausleitner, 1992, Phys. Rev., B45, 128, 10.1103/PhysRevB.45.128
Hausleitner, 1993, Phys. Rev., B47, 5689, 10.1103/PhysRevB.47.5689
Arnold, 1989, J. Phys.: Condens. Matter, 1, 965
Stich, 1989, Phys. Rev. Lett., 63, 2240, 10.1103/PhysRevLett.63.2240
Stich, 1991, Phys. Rev., B44, 4262, 10.1103/PhysRevB.44.4262
Buda, 1989, J. Non-Cryst. Solids, 114, 7, 10.1016/0022-3093(89)90053-7
Stich, 1991, Phys. Rev., 44, 11092, 10.1103/PhysRevB.44.11092
Kresse, 1994, Phys. Rev., B49, 14251, 10.1103/PhysRevB.49.14251
Etherington, 1982, J. Non-Cryst. Solids, 48, 265, 10.1016/0022-3093(82)90165-X
Li, 1993, Phys. Rev., B49, 10891, 10.1103/PhysRevB.47.10891