TY  - BOOK
AU  - Sharma P D
TI  - Ecology and environment
SN  - 8171339654 (pbk)
U1  - G:5, P9-;4 
PY  - 2009///
CY  - Meerut
PB  - Rastogi       
KW  -  Environment
KW  - Ecology
N1  - Glossary 627- 637p.; Index 639- 643p
ER  -