000 00251nam a2200097Ia 4500
008 160710s1958 xx 000 0 und d
100 _aCHEMICAL ENGINEERING
245 _aCHEMICAL ENGINEERING.JULY NO.14
260 _bMC GRAW HILL
_c1958
942 _2ddc
_cB
999 _c40148
_d40148