Price, Elizabeth C. Biogas : production & utilization / by Elizabeth C. Price, Paul N. Cheremisnoff - Ann Anbor, Mich. : Ann Arbor Science, 1981 - 146 p. : ill. ; 24 cm. - Energy technology series . Includes bibliography references and index ISBN: 025040334X Subjects--Topical Terms: Gas producersMethaneFarm manure