000 00272nam a2200097Ia 4500
008 160710s1962 xx 000 0 und d
100 _aCHEMICAL ENGINEERING
245 _aCHEMICAL ENGINEERING,OCT.-NOV. NO.22-23
260 _bMC GRAW HILL PUBLICATIONS
_c1962
942 _2ddc
_cB
999 _c40171
_d40171