Bali, Geetha . Environmental biotechnology / by Geetha Bali, Rallapali Ramamurthi, S.B.Sullia et al. - New Delhi : A P H Publishing Corporation , 2002 - vii-xviii,1-386p ; ISBN: 81-7648-378-8 Subjects--Topical Terms: Biology- environmental biotechnology Dewey Class. No.: G:55:(F) / P2