000 00309nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.016 E37
100 _aEL-HALWAGI,M.M
245 0 _aBIOGAS TECHNOLOGY TRANSFER AND DIFFUSION
260 _aLONDON
_bElsevier
_c1986
300 _a23X16
942 _cBK
_2DDC
999 _c20536
_d20536