TY  - JOUR
T1  - Updating political periods and political participation, A communication to the editor
AU  - Beck, Paul Allen
AU  - Jennings, M. Kent
PY  - 1984
SP  - 198
EP  - 201
JO  - American Political Science Review
VL  - 78
IS  - 1
SN  - 0003-0554
ER  -