Retrieved Title(s):1 . Publication type: Book Tilte: Population bulletin of the United Nations nos. 31/32 UN. Dept. of International Economic and Social Affairs, Publication Data: New York: United Nation Publication Year: 1991 Call Number: 304.60956 UNI ISBN: 92-1-151239-5 Copie(s) info.: ● Total number of Copie(s):2