000 00452nam a22001697a 4500
003 NUST - PNEC
005 20170116180936.0
008 150906b xxu||||| |||| 00| 0 eng d
020 _a8170245338
040 _cLIBRARY
082 _a665.776 ABB
100 _98533
_aAbbasi, S. S
245 _aModelling and simulation of biogas systems economics
_c S. S Abbasi
260 _cc.1993
650 _98539
_bElectrical engineering
_xEE
942 _2ddc
_cBK
999 _c66051
_d66051