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Die Volkszählung am 25. Mai 1987
(1987)
The changing patterns of Black family income, 1960-1982
Felder, Henry E., (1984)
Studies to enhance the evaluation of family planning programmes : a project of the Population Div. of the Dep. of Internat. Economic and Social Affairs of the United Nations Secretariat, in collab. with the former Committee for the Analysis of Family Planning Programmes of the Internat. Union for the Scientific Study of Population
(1985)