Weinreich, Uriel. Languages in contact Findings and problems. With a preface by André Martinet. - 2nd ed. - The Hague Paris Mouton & Co. 1963. - 148 p. Bibliography: p. 123-146. LCCN: 91353236 Nat. Bib. No.: Ne68-19 Subjects--Topical Terms: Languages in contact LC Class. No.: P123 / .W4 1968 Dewey Class. No.: 401