@article{Roberts2014,
author = {Roberts, M.E. and Stewart, B.M. and Tingley, D. and Lucas, C. and Leder-Luis, J. and Gadarian, S.K. and Albertson, B. and Rand, D.G.},
title= {Structural topic models for open-ended survey responses},
year = {2014},
doi = {10.1111/ajps.12103},
journal = {American Journal of Political Science},
volume = {58},
number = {4},
pages = {1064--1082},
}