Encyclopaedia of Ecology, Environment and Pollution Control :
Swarup, R.
Encyclopaedia of Ecology, Environment and Pollution Control : Environmental Health, Education and Public Understanding. - New Delhi : Mittal Publications, 1992. - 374 p. ill. 22 cm
Vol II
8170993618 8170993601
Encyclopaedia of Ecology, Environment and Pollution Control.
REF 363.73903 SWA
Encyclopaedia of Ecology, Environment and Pollution Control : Environmental Health, Education and Public Understanding. - New Delhi : Mittal Publications, 1992. - 374 p. ill. 22 cm
Vol II
8170993618 8170993601
Encyclopaedia of Ecology, Environment and Pollution Control.
REF 363.73903 SWA