TY  - BOOK
AU  - Shukla S K Ed.
AU  -  Srivastava P R Ed.
TI  - Methodology of environmentla monitoring and assess
U1  - U:(G:55), N2 
PY  - 1992///
CY  -  New Delhi 
PB  - Commonwealth Punlishers India       
KW  - Geography- Environment
ER  -