"Tours de percolation." . . "Conditionnement." . . . . "Absorption." . . "Packed towers." . . . . "Absorption Towers. With special reference to the design of packed towers for absorption and stripping. [With plates.]"@en . . "Absorption towers : with special reference to the desing of packed towers for absortion and stripping" . . . . "Absorption towers : with special reference to the design of packed towers for absorption and stripping" . "Absorption towers : with special reference to the design of packed towers for absorption and stripping"@en . . . . . . . . . . . . . . "Absorption towers; with special reference to the design of packed towers for absorption and stripping" . . . . . . . . . . "Absorption towers with special reference to the design of packed towers for absorption and stripping"@en . "Absorption towers" . . . . . . . . "Absorption towers : with a special reference to the design of packed towers for absorption and stripping"@en . . "Absorción." . .