000 00306nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Mathur, A.N. & Rathore, N.S."
245 0 _aBiogas production management and utilization
260 _bHimanshu
260 _c1992
365 _b495.00
942 _cBK
999 _c143672
_d143672