McDouall88

J. J. McDouall, K. Peasley, and M. A. Robb, “A Simple MC-SCF Perturbation Theory: Orthogonal Valence Bond Møller-Plesset 2 (OVB-MP2),” Chem. Phys. Lett., 148 (1988) 183-89. DOI: 10.1016/0009-2614(88)80296-3