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