TY  - JOUR
T1  - Challenges to the American two-party system: Evidence from the 1968, 1980, 1992, and 1996 presidential elections
AU  - Abramson, Paul R.
AU  - Aldrich, John H.
AU  - Paolino, Philip
AU  - Rohde, David W.
PY  - 2000
SP  - 495
EP  - 522
JO  - Political Research Quarterly
VL  - 53
IS  - 3
SN  - 1065-9129
ER  -