000			00324nam a2200133Ia 4500
008			140317s9999 xx 000 0 und d
082			_a665.7
100			_aChawla,O.P.
245			_aAdvances in biogas technology.
260			_aDelhi _bICAR _c1966
300			_a144
650			_aChemical , Related Tech.
942			_2ddc _cBK
999			_c11561 _d11561