TY  - BOOK
AU  - Ambasht,R.S.
AU  - Ambasht,P.K.
TI  - Environment and pollution: an ecological approach 
SN  - 8123906528
U1  - 577.27 22
PY  - 1999///
CY  - New Delhi
PB  - CBS Publishers
KW  - Pollution
KW  - Environment
N1  - Includes bibliographical references and index
ER  -