%0 Journal Article
%A Wilhelm Winkler.
%T The Demography of Tropical Africa (Coale, A.J. et al.)
%J Metrika
%D 1970
%P 93-93
%V 15
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MET_1970__15_175420/
%F MET_1970__15_175420