1. Benoit, K., Laver, M., Mikhalov, S.: Treating words as data with error: estimating uncertainty in the comparative manifesto measures. Am. J. Polit. Sci. 53(2), 49–513 (2009)
2. Casey, P.C.: Extracting fuzzy preference measures to predict government formation, MA thesis, Creighton University (2009)
3. Casey, P., Wierman, M.J., Gibilisco, M.B., Mordeson, J.N., Clark, T.D.: Assessing policy stability in iraq: a fuzzy approach to modeling preferences. Public Choice 151(3–4), 402–423 (2012)
4. Ching, S., Serizawa, S.: A maximal domain for the existence of strategy-proof rules. J. Econ. Theor. 78(1), 157–166 (1998)
5. Clark, T.D., Larson, J., Mordeson, J.N., Potter, J., Wierman, M.J.: Applying Fuzzy Mathematics to Formal Model in Comparative Politics. Springer, Berlin (2008)