000 00282nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aSubramanian,S.K.
245 0 _aBio-gas Systems In India
260 _aNew Delhi
_bManagement Of Devp.Inst.
_c1977
300 _a233p.
942 _2ddc
999 _c43710
_d43710