TY  - JOUR
T1  - Activists and conflict extension in American party politics
AU  - Layman, Geoffrey C.
AU  - Carsey, Thomas M.
AU  - Green, John C.
AU  - Herrera, Richard
AU  - Cooperman, Rosalyn
PY  - 2010
DO  - 10.1017/S000305541000016X
SP  - 324
EP  - 346
JO  - American Political Science Review
VL  - 104
IS  - 2
SN  - 0003-0554
ER  -