Davies, Mansel. The Physical Principles of Gas Liquefaction and Low Temperature Rectification / Textual Documents Mansel Davies. - 1st ed. / - New York : Longmans Green & Co , 1949. - 203p. ; 24cm. Subjects--Index Terms: Low Temperature Rectification Gases G-Physics Dewey Class. No.: 536.42 / D 288 P