000 00259nam a2200097Ia 4500
008 160710s1957 xx 000 0 und d
100 _aCHEMICAL ENGINEERING
245 _aCHEMICAL ENGINEERING,FEB. -MAR. NO. 2-3
260 _bMC GRAW HILL
_c1957
942 _2ddc
_cB
999 _c40141
_d40141