000 00298nam a2200121Ia 4500
008 170101s1986 xx 000 0 und d
082 _a665.776 CHA
100 _aChawla O. P.
245 0 _aAdvances in Biogas Technology
260 _aDelhi
_bI.C.A.R.
_c1986
300 _a144 p
942 _2ddc
_cB
999 _c1101816
_d1101816