TY  - BOOK
AU  -  Levine, Ira N
TI  - Quantum chemistry
SN  - 9788129700247
U1  - 541.28 LEV 
PY  - 2000///
CY  - Upper Saddle River, N.J. 
PB  - : Prentice Hall
KW  - Quantum chemistry
KW  - Perturbation theory
KW  - The harmonic osscilator
KW  - Ira N Levine
KW  - Chemistry
ER  -