TY  - JOUR
T1  - Polls and votes; The trial-heat presidential election forecasting model, certainty, and political campaigns
AU  - Campbell, James E.
PY  - 1996
DO  - 10.1177/1532673X9602400402
SP  - 408
EP  - 433
JO  - American Politics Quarterly
VL  - 24
IS  - 42
SN  - 0044-7803
ER  -