000			00307nam a2200133Ia 4500
100			_aChawla, O. P.
365			_b18
942			_cBK
654			_a
245			_aAdvances in biogas technology
260			_aNew Delhi _bIndian council of agricultural research _c1986
082			_a665.7
300			_a(8),144
999			_c379759 _d379759
041			_aeng