International population conference = Congres international de la population, 16th, London, 2-11 Sept., 1969
International Union for the Scientific Study of Population
International population conference = Congres international de la population, 16th, London, 2-11 Sept., 1969 - - Belgique USSP, 1971 - v.1 24 cm - .
0
Population-Congresses
312 Int:16:69-1
International population conference = Congres international de la population, 16th, London, 2-11 Sept., 1969 - - Belgique USSP, 1971 - v.1 24 cm - .
0
Population-Congresses
312 Int:16:69-1