TY  - BOOK
AU  - Sinha,Dilip Kumar
AU  - Mukherjee,Ananda Deb  .
TI  - Fundamentals of environmental studies / 
SN  - 8175222492
U1  - 372.357 
PY  - 2000///
CY  - Kolkata : 
PB  - Viswa Bharati , 
KW  - ENVIRONMENTAL-STUDIES
N1  - Include index
ER  -