Gunnerson Charles G. Anaerobic digestion : Priniciples and practices for biogas systems By Charles G. Gunnerson and David C. Stuckey - Washington, D.C. IBRD 1986 - 154p. - World Bank Technical Paper, 49 . Bibl.p.137-54 Subjects--Topical Terms: BiogasEnergy Resources Dewey Class. No.: Y26 In8a