000 00270nam a2200097Ia 4500
008 160710s1959 xx 000 0 und d
100 _aCHEMICAL ENGINEERING
245 _aCHEMICAL ENGINEERING,MAR.-APRIL NO.5-7
260 _bMC GRAW HILL PUBLICATION
_c1959
942 _2ddc
_cB
999 _c40156
_d40156