TY  - BOOK
AU  - Ambasht,R.S.
AU  - Ambasht,P.K.
TI  - Environment & pollution, an ecological approach
AV  - TD174 .A442 1992
U1  - 570 20
PY  - 1992///
CY  - Varanasi, India
PB  - Students' Friends
KW  - Pollution
KW  - Ecology
N1  - Includes bibliographical references (p. [290]-302) and index
N2  - Textbook
ER  -