Khandelwal, K. C. Biogas technology : a practical handbook, volume I / K. C. Khandelwal and S. S. Mahdi - New Delhi : Tata McGraw Hill, 1993. - xi, 128 p. : ill. ; 24 cm. Includes bibliographical references. ISBN: 0074517236 Subjects--Topical Terms: Biogas.Technology--Biogas. Dewey Class. No.: 662.88 / KHA