TY  - BOOK
AU  - Helgaker, Trygve,
AU  - Jqrgensen, Poul,
AU  - Olsen, Jeppe,
TI  - Molecular electronic-structure theory
SN  - 9780471967552(hbk)
U1  - 541.22 
PY  - 2000///
CY  - New Delhi
PB  - John Wiley & Sons, Inc
ER  -