000 00267nam a22001097a 4500
020 _a8185167605
100 _aA N Mathur
_aN.S Rathore
245 _aBiogas, production, management, and utilisation
260 _aUdaipur
_bHimanshu
_c1992
300 _a167
942 _cBK
999 _c299901
_d299901