000 00328nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a620
082 _b85 KHA
100 _a"Khandelwal, K. C."
245 0 _aBiogas Technology A Prac
260 _aNew Dehi
260 _bTata McGraw
260 _c1986
300 _a"xi, 128"
999 _c30639
_d30639