Encyclopaedia of Ecology, Environment and Pollution Control :
Swarup, R.
Encyclopaedia of Ecology, Environment and Pollution Control : Environmental Water Pollution and its Control. - New Delhi : Mittal Publications, 1992. - v, 408 p. ill. 22 cm
Vol 15
817099375X 8170993601
Encyclopaedia of Ecology, Environment and Pollution Control.
REF 363.73903 SWA
Encyclopaedia of Ecology, Environment and Pollution Control : Environmental Water Pollution and its Control. - New Delhi : Mittal Publications, 1992. - v, 408 p. ill. 22 cm
Vol 15
817099375X 8170993601
Encyclopaedia of Ecology, Environment and Pollution Control.
REF 363.73903 SWA