%0 Journal Article
%T Political Involvement in the Later Years: A Longitudinal Survey
%A Jennings, M. Kent
%A Markus, Gregory B.
%D 1988
%P 302-316
%J American Journal of Political Science
%V 32
%I 2
%2 ISSN: 0092-5853
%U http://www.jstor.org/stable/2111125