Curtiss99

L. A. Curtiss, P. C. Redfern, K. Raghavachari, V. Rassolov, and J. A. Pople, “Gaussian-3 theory using reduced Møller-Plesset order,” J. Chem. Phys., 110 (1999) 4703-09. DOI: 10.1063/1.478385