000 00258nam a2200097Ia 4500
008 160710s1958 xx 000 0 und d
100 _aCHEMICAL ENGINEERING
245 _aCHEMICAL ENGINEERING,MAR.-APRIL NO.6-8
260 _bMC GRAW HILL
_c1958
942 _2ddc
_cB
999 _c40149
_d40149