TY  - BOOK
AU  - Gadi, Ramu 
AU  - Rattan, Sunita Mohapatra, Sushmita 
TI  - Environmetal Studies:With Experiments 
SN  - 0
U1  - 628 
PY  - 2009///
CY  - 
PB  - S K Kataria And Sons 
ER  -