000 00262nam a2200097Ia 4500
008 160710s1955 xx 000 0 und d
100 _aCHEMICAL ENGINEERING
245 _aCHEMICAL ENGINEERING,NOV - DEC, NO. 11-12
260 _bMC- GRAW HILL
_c1955
942 _2ddc
_cB
999 _c40130
_d40130