000 00335nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
082 _a620
082 _b85 KHA
100 _a"Khandelwal,K C"
245 0 _aBiogas Technology
250 _aVolume I
260 _aNew Delhi
260 _bTMH
260 _c1986
300 _a"xi,128"
999 _c30642
_d30642