000 00272nam a2200109Ia 4500
008 160710s1956 xx 000 0 und d
082 _a-
100 _aCHEMICAL ENGINEERING
245 _aCHEMICAL ENGINEERING,MID. SEP. NO.9
260 _bMCGRAW-HILL
_c1956
942 _2ddc
_cB
999 _c40139
_d40139