000			00259nam a2200097Ia 4500
008			160710s1958 xx 000 0 und d
100			_aCHEMICAL ENGINEERING
245			_aCHEMICAL ENGINEERING, NOV -DEC NO.23-26
260			_bMC GRAW HILL _c1958
942			_2ddc _cB
999			_c40154 _d40154