%0 Journal Article
%T Additive and multiplicative models of the voting universe: The case of Pennsylvania 1960-1968
%A Burnham, Walter Dean
%A Sprague, John
%D 1970
%P 471-490
%J American Political Science Review
%V 64
%I 2
%2 ISSN: 0003-0554
%U http://www.jstor.org/stable/1953844