Treaty series : treaties and International agreements registered or field and recorded with the secretariat of the United Nations, Vol. 712 / United Nations United Nations Treaties 341.28 UNT Includes bibliographical references and Index. Issued also in a Spanish ed. New York : United Nations, 1973. 1973. 1973 Text Collection v. ; eng In English; some nos. issued in multilingual editions with title and text in Spanish, English, Portuguese and French.