TY  - JOUR
T1  - The decline of political partisanship in the United States: Negativity or neutrality?
AU  - Wattenberg, Martin P.
PY  - 1981
SP  - 941
EP  - 950
JO  - American Political Science Review
VL  - 75
IS  - 4
SN  - 0003-0554
UR  - http://www.jstor.org/stable/1962294
ER  -