Chattopadhyay, A Records of the zoological survey of India effect of heavy metal contaminated sewage effluents on the soil rthropods in and around Culcutta - Culcutta Zoological Survey of India 2000 - [3],109 p. - Occasional Paper, No.186 . ISBN: 8185874379 Subjects--Topical Terms: ZOOLOGICAL SURVEYZOOLOGY Dewey Class. No.: 590 / CHA