TY  - CHAP
UR  - https://doi.org/10.1351/goldbook.CT07344
AU  - International Union of Pure and Applied Chemistry (IUPAC)
YR  - 2019
TI  - complete active space self-consistent field second-order perturbation theory
DO  - 10.1351/goldbook.CT07344
WV  - 3.0.1