TY  - GEN
AU  - Mageswaran , R.
AU  - Fernando , J.N.O
AU  - Kularatne , K.W.S. 
AU  - Munasiri , B. 
TI  - Physical and  theoretical chemistry - part I : quantum mechanics 
U1  - 541 
PY  - 1987///
CY  - Nugegoda
PB  - Open University
KW  - Theoretical Chemistry
KW  - Physical Chemistry
ER  -