Harris, Zellig Sabbettai, 1909 - Mathematical structures of language / Zellig Harris - New York: Interscience Publishers, 1968 - ix, 230 p.: ill.; 24 cm - Interscience tracts in pure and applied mathematics ; no. 21 . Includes bibliography: p. 4 - 5 ISBN: 470353163 Subjects--Topical Terms: Mathematical linguistics Dewey Class. No.: 410.18 HAR