%0 Journal Article
%A Weichselberger K.
%T Survey Methods in Social Investigation - Moser, C.A.
%J Metrika
%D 1961
%P 82-83
%V 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MET_1961__4_175100/
%F MET_1961__4_175100