Kumar, Arvind. Verms & vermitechnology / Arvind Kumar. - New Delhi : A. P. H., c 2005. - x, 200 p. : ill. ; 24 cm. Includes index. 327 327 ISBN: 81-7648-938-7 Subjects--Topical Terms: Earthworms. Earthworm culture. Biotechnology. Dewey Class. No.: 595.7 / K96v