TY  - JOUR
A1  - Grimmer, J.
A1  - Stewart, B.M.
T1  - Text as data: The promise and pitfalls of automatic content analysis methods for political texts
Y1  - 2013
DO  - 10.1093/pan/mps028
JF  - Political Analysis
VL  - 21
IS  - 3

ER  -