TY  - BOOK
AU  - Kumar, Arun
TI  - Environmental problems : : protection and control 
SN  - 8126103558
U1  - 363.7 
PY  - 1999///
CY  - New Delhi
PB  - Anmol, 
KW  - Environmental protection
N1  - Includes bibliographical references; v. 1. Environmental concept -- v. 2. Environmental problems, production and control
ER  -