TY  - BOOK
AU  - Helgaker, Trygve.
AU  - Olsen, Jappe.
AU  - Jorgensen, Poul
TI  - Molicular Electronic-Structure theory
SN  - 0471967556
U1  - 541.22 HEL 
PY  - 2000///
CY  - Singapore
PB  - John Wiley & Sons
KW  - Molecular Structure
KW  - Electronic structure
ER  -