000 00259nam a2200097Ia 4500
008 160710s1959 xx 000 0 und d
100 _aCHEMICAL ENGINEERING
245 _aCHEMICAL ENGINEERING, SEP -OCT NO.19-20
260 _bMC GRAW HILL
_c1959
942 _2ddc
_cB
999 _c40160
_d40160