TY  - GEN
AU  - Selvaratnam ,  M.
AU  - Canagarathna ,S.G. 
AU  - Fernando , J.N.O.  
AU  - Perera , J.H.S.O.
TI  - 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  -