000			00286nam a2200121Ia 4500
008			160710s1957 xx 000 0 und d
082			_aCAM
100			_aCAMPBELL,L.C.
245			_aCHEMICAL ENGINEERING
260			_bA MCGRAW HILL PUBLICATION _c1957
300			_a482
942			_2ddc _cB
999			_c23253 _d23253