Harris, Zellig Sabbettai, 1909- Mathematical structures of language / by Zellig Harris - Hungtington, New York : Robert E. Krieger Publishing Company, 1968 - ix, 230 p. : ill. ; 24 cm. Bibliography: p. 4-5. ISBN: 0882759582 LCCN: 79-04568 Subjects--Topical Terms: Mathematical linguistics