Modelling and simulation of biogas systems economics - S.A. Abbasi; P.C. Nipaney (New Delhi Ashish publication house, 1993)
S.A. Abbasi & P.C. Nipaney: Modelling and simulation of biogas systems economics. New Delhi. Ashish publication house, 1993. 81-7024-533-8--(665.776ABB)
ENGLISH