TY  - JOUR
T1  - Explaining campaign intensity
AU  - Sulkin, Tracy
PY  - 2001
DO  - 10.1177/1532673X01029006004
SP  - 608
EP  - 624
JO  - American Politics Research
VL  - 29
IS  - 6
SN  - 1532-673X
ER  -