000 00437nam a2200181Ia 4500
008 210810s9999 xx 000 0 und d
082 _aOCiiif,2 1950
100 _aGumz, Wilhelm
245 0 _aGas producers and blast furnaces
245 0 _btheory and methods of calculation
245 0 _cGumz, Wilhelm
260 _aNew York
260 _bN. P
260 _c1950
546 _aIn English
650 _aGas
942 _cBOOK
999 _c1606181
_d1606181