TY  - BOOK
AU  - McWeeny,R.
AU  - Craig,D.P.
AU  - McWeeny,R.
TI  - Methods of molecular quantum mechanics
U1  - 530.123 MCW.S  
PY  - 1969///.
CY  - London : 
PB  - Academic Press, 
KW  - Quantum mechanics
KW  - Valence bond theory
N1  - Includes index.
ER  -