000 00240nam a2200097Ia 4500
008 160710s1955 xx 000 0 und d
100 _aMEGRAW-HILL PUB CO
245 _aCHEMICAL ENGINEERING JAN TO MAR 1955
260 _c1955
942 _2ddc
_cB
999 _c18640
_d18640