TY  - BOOK
AU  - x, x
AU  - Lowdin,Per-olov
TI  - Advances in quantum chemistry: x 
SN  - x     
U1  - 541.28/LOA 
PY  - 1964///
CY  - N.Y.
PB  - Academic Press
KW  - Chemistry, Physical and theoritical
KW  - Quantum theory
ER  -