00281nam a2200121Ia 4500100002900000650001400029654001800043245003800061260002900099082001000128300000900138546001200147  aMcCabe/W.L & Smith /J.C   aChemistry  aChemical Engg  aUnit Operations of Chemical Engg.  bMcGraw HillaTokyoc1976  a660.2  a1028  aENGLISH