Demographic yearbook 1961 = Annuaire démographique 1961 : special topic : mortality statistics /

• Corporate Author: United Nations. Dept. of Economic and Social Affairs
• Format: Book
• Language: English
• Published: New York : United Nations, 1961.
• Edition: 13th issue
• Subjects: Πληθυσμός; Δημογραφική στατιστική