TY  - BOOK
AU  - Kannan,Krishnan, x
AU  - x
TI  - Fundamentals of environmental pollution: x
SN  - 2121910099
U1  - 628.5/K16f 
PY  - 1996///
CY  - New Delhi
PB  - S. Chand
KW  - Pollution
N1  - x
ER  -