TY  - SER
AU  - Kalla, Joshua L.
AU  - David E.Broockman
TI  - The Minimal Persuasive Effects of Campaign Contact in General Elections: Evidence from 49 Field Experiments 
AV  - APSR 122: 1 2018
PY  - 2018///
CY  - Washington
PB  - Cambridge University Press
UR  - http://dx.doi.org/10.1017/S0003055417000363
ER  -