00000nam a2200000 a 4500 20251203110707.0 8170245338 665.776 ABB Abbasi, S.A. Modelling and Simmulation of Biogas Systems Economics Delhi Ashish Publishing House 1993 xviii,359p. 24 cm. HB Biogas systems economics Nipaney, P.C. _ 117419 LIBSC C 117420 LIBSC C 99287 99287 0 0 0 0 PU PU 2006-01-10 400.00 0 665.776 ABB 117419 BK 0 0 0 0 PU PU 2006-01-10 400.00 0 665.776 ABB 117420 BK