TY  - GEN
AU  - Selvaratnam , M.
AU  - Fernando , J.N.O. 
AU  - Kanagarathna , N.G. 
AU  - Perera , J.H.S.Q.
TI  - Chemistry ( Tamil ): physical chemistry part I and II 
U1  - CHE 
PY  - 1984///
CY  - Nugegoda
PB  - Open University
KW  - CHEMISTRY
ER  -