000 00260nam a2200097Ia 4500
008 160710s1958 xx 000 0 und d
100 _aCHEMICAL ENGINEERING.
245 _aCHEMICAL ENGINEERING, OCT -NOV NO.20-22
260 _bMC GRAW HILL
_c1958
942 _2ddc
_cB
999 _c40153
_d40153