Encyclopaedia of ecology , environment and pollution control environmental water resources quality , demand ,pollution
Swarup, R., Mishra, S.N. and Jauhari, V.P.
Encyclopaedia of ecology , environment and pollution control environmental water resources quality , demand ,pollution - New Delhi Mittal publications 1992 - 277p. V.12
8170993725 395
Ecology & environment-encyclopaedia
Encyclopaedia
577.03 / SWA
Encyclopaedia of ecology , environment and pollution control environmental water resources quality , demand ,pollution - New Delhi Mittal publications 1992 - 277p. V.12
8170993725 395
Ecology & environment-encyclopaedia
Encyclopaedia
577.03 / SWA