Trivedi, R. N. Environmental problems : prospects and constraints / R. N. Trivedi - Delhi : Anmol, c1992. - xii,225 p. : ill. ; 22 cm. ISBN: 8170415643 LCCN: Subjects--Topical Terms: PollutionEnvironmental health LC Class. No.: GE160 / .I4E5827 1992 Dewey Class. No.: 363.700954 / T841e