International Population Conference, New Delhi 1989, 20-27 September = Congrès international de la population, New Delhi 1989, 20-27 septembre.
International Population Conference, New Delhi 1989, 20-27 September = Congrès international de la population, New Delhi 1989, 20-27 septembre.
- Liège, Belgique : International Union for the Scientific Study of Population, 1990
- 448 p. :
Volume 1
IIGG
90172485
POBLACIÓN --Congresses.
Volume 1
IIGG
90172485
POBLACIÓN --Congresses.