000			00250nam a2200097Ia 4500
008			160710s1956 xx 000 0 und d
100			_aCHEMICAL ENGINEERING
245			_aCHEMICAL ENGINEERING, AUG NO.8
260			_bMC GRAW HILL _c1956
942			_2ddc _cB
999			_c40136 _d40136