TY  - GEN
AU  - Cook, David B. 
TI  - Ab initio valence calculations in chemistry
SN  - 0408705515
AV  - QD462 
U1  - 541 
PY  - 1974///
CY  - London
PB  - Butterworths
KW  - Quantum chemistry
N1  - Includes bibliographies
ER  -