000 00319nam a2200145Ia 4500
008 170101s1985 xx 000 0 und d
082 _a665.77 G83B
100 _aGREWAL, N. S
245 0 _aBiogas technology
260 _bLudhiana
_c1985
300 _a26p
650 _aBIOGAS
653 _aBIOGAS
942 _2ddc
_cB
999 _c88442
_d88442