A concise summary of the world population situation in 1970. - New York : United Nations, 1971. - iii, 35 p. : ill., fold. map ; 23 cm. - Its Population studies ; no. 48 . "United Nations publication. Sales no.:E.71.XIII.2." Includes bibliographical references. LCCN: 72-026169 Subjects--Topical Terms: Population.--------