. . . "Text" . "Unit operations" . "Unit operations" . . . "1950" . . . "Fluides" . "G\u00E9nie chimique" . "Chemical engineering" . . . . "Operaciones b\u00E1sicas de la ingenier\u00EDa qu\u00EDmica" . "Proc\u00E9d\u00E9s chimiques" . . "Solides" . "Transfert de masse" . . .