Ray, Santanu Records of the zoological survey of India population ecology of benthic dipterans of the mangrove ecosystem of Sundarbans, India - Calcutta Zoological Survey of India 1991 - [5],91 p. Illustration - Occasional Paper, No. 136 . ISBN: NULL Subjects--Topical Terms: ZOOLOGICAL SURVEYZOOLOGY Dewey Class. No.: 590 / RAY