Pulay, 1969, Mol. Phys., 17, 197, 10.1080/00268976900100941
Sellers, 1978, Chem. Phys. Letters, 58, 541, 10.1016/0009-2614(78)80014-1
Murtagh, 1970, Comput. J., 13, 185, 10.1093/comjnl/13.2.185
McIver, 1971, Chem. Phys. Letters, 10, 303, 10.1016/0009-2614(71)80294-4
Rinaldi, 1976, Comput. Chem., 1, 109, 10.1016/0097-8485(77)80009-0
Smirnov, 1980, J. Mol. Struct., 65, 163, 10.1016/0022-2860(80)85188-X
Fletcher, 1970, Comput. J., 13, 317, 10.1093/comjnl/13.3.317
Bernardi, 1981, J. Mol. Struct., 86, 123, 10.1016/0166-1280(81)85078-6
Schlegel, 1982, J. Comp. Chem., 3, 214, 10.1002/jcc.540030212
Pulay, 1980, Chem. Phys. Letters, 73, 393, 10.1016/0009-2614(80)80396-4
Pulay, 1982, J. Comp. Chem., 3, 556, 10.1002/jcc.540030413
Pople, 1979, Int. J. Quantum Chem. Symp., 13, 225
P. Császár and P. Pulay, to be published