Trends and characteristics of international migration since 1950.

Detalhes bibliográficos
Autor Corporativo:	United Nations. Dept. of Economic and Social Affairs
Formato:	Livro
Idioma:	English
Publicado em:	New York United Nations 1979.
Colecção:	Demographic [i.e. Population] studies no. 64
Assuntos:	Emigration and immigration > Statistics.