TY  - JOUR
T1  - Political Involvement in the Later Years: A Longitudinal Survey
AU  - Jennings, M. Kent
AU  - Markus, Gregory B.
PY  - 1988
SP  - 302
EP  - 316
JO  - American Journal of Political Science
VL  - 32
IS  - 2
SN  - 0092-5853
UR  - http://www.jstor.org/stable/2111125
ER  -