TY  - GEN
AU  - Selvaratnam , M.
AU  - Canagaratna , S.G. 
TI  - Chemistry physical chemistry: physical chemistry part I and II block 2
U1  - 541.3 
PY  - 1984///
CY  - Nugegoda
PB  - Open University
KW  -  Physical chemistry
KW  -  Chemistry
ER  -