HANKS,SHARON LA BONDE ECOLOGY AND THE BIOSPHERE: PRINCIPLES AND PROBLEMS English - - NEW DELHI VANITY BOOKS INTERNATIONAL 1998 - 215 HB ISBN: 8175140313 Source: Subjects--Topical Terms: ECOLOGY AND THE BIOSPHERE PRINCIPLES AND PROBLEMS-- SCIENCE-- TOXI MATERIAL Dewey Class. No.: 577.27 HAN