Rao, N S Subba Soil microbiology / N S Subba Rao. - 4th ed. - New Delhi : Oxford and IBH Pub. Co. pvt. Ltd., c1999. - 16, 407 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 8120413830 Subjects--Topical Terms: Soil microbiology. Dewey Class. No.: 579 / RAS