TY  - GEN
AU  - Selveratnam , M.
AU  - Canagaratna , S.G. 
AU  - Fernando , J.N.O. 
AU  - Perera , J.H.S.O. 
AU  - Roberts , Godwin 
AU  - Kularatne , K.W.S.  
AU  - Singham , Shermila 
AU  - Munasiri , B. 
TI  - Chemistry: physical chemistry parts-l and ll block 22
U1  - 541 
PY  - 1984///
CY  - Nugegoda
PB  - Open University
KW  - Chemistry
ER  -