Indrani, M. A. Preparation of fuel gas and manure by anaerobic fermentation of organic materials / M. A. Indrani and S. Varadarajan - New Delhi : I.C.A.R, 1974 - 60 p. : ill. ; 24 cm ISBN: Rs 3.80 Subjects--Topical Terms: Gas producersMethaneFarm manure Dewey Class. No.: 665.779