TY  - RPRT
TI  - Evaluation of first- and second-order nonadiabatic coupling elements from large multiconfigurational self-consistent-field wave functions.
AU  - H gren
AU  - A Flores-Riveros
AU  - HJ Jensen
PY  - 1986
DO  - 10.1103/physreva.34.4606
UR  - https://pubmed.ncbi.nlm.nih.gov/9897841/
ID  - 9897841
ER  -