TY  - BOOK
AU  - Chaudhuri,B.D.Nag, x
AU  - x
TI  - Introduction to environmental management: x
SN  - x
U1  - 304.2/C496i 
PY  - 1983///
CY  - New Delhi
PB  - Interprint
KW  - Environment
N1  - Includes
ER  -