@article {8027, title = {PERTURBATION CORRECTIONS TO KOOPMANS THEOREM .3. EXTENSION TO MOLECULES CONTAINING SI, P, S, AND CL AND COMPARISON WITH OTHER METHODS}, journal = {Journal of Chemical Physics}, volume = {61}, number = {9}, year = {1974}, note = {ISI Document Delivery No.: U6850Times Cited: 74Cited Reference Count: 31}, pages = {3567-3570}, type = {Article}, isbn = {0021-9606}, url = {://A1974U685000007}, author = {Chong, D. P. and Herring, F. G. and McWillia.D,} }