%0 Journal Article
%A W. Winkler
%T The Demography of Tropical Africa (Coale, A. J., et al.)
%J Metrika
%D 1970
%P 243-244
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MET_1970__16_175464/
%F MET_1970__16_175464