000 00263nam a2200097Ia 4500
008 160710s1953 xx 000 0 und d
245 _aCHEMICAL ENGINEERING PROGRESS
260 _bTHE AMERICAN INSTITUTE OF CHEMICL ENGINEERS
_c1953
300 _a328
942 _2ddc
_cB
999 _c18826
_d18826