000 00371nam a2200169Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
100 _aKhandelwal K. K.
245 0 _aBiogas technology volume 1
260 _aNULL
260 _bTata Mcgraw Hill Pub. Co.
260 _c1993
300 _a128p.
365 _b51
650 _aCIVIL
942 _cDBK
999 _c22248
_d22248