Tripathy, Debi Prasad. Dictionary of environmental science / Debi Prasad Tripathy. - New Delhi : APH Publishing, 2013. ISBN: 9789331320100 (hbk.) LCCN: 75613938 Subjects--Topical Terms: Environmental sciences. LC Class. No.: T14.5 QH541 / .U54 1971 Dewey Class. No.: 363.7 / TRI