1. Bates, D., Mächler, M., Bolker, B., & Walker, S. (2015). Fitting linear mixed-effects models using {lme4}. Journal of Statistical Software, 67(1), 1–48.
2. Brasoveanu, A. (2009). Measure noun polysemy and monotonicity: Evidence from Romanian pseudopartitives. In A. Schardl, M. Walkow, & M. Abdurrahman (Eds.), Proceedings of the 38th Meeting of the North East Linguistic Society (pp. 139–150). Amherst: Graduate Linguistic Student Association.
3. Carlson, G. (1977). Amount relatives. Language, 53, 520–542.
4. Christensen, R. H. B. (2018). Ordinal—Regression models for ordinal data. R package version 2018.4-19.
http://www.cran.r-project.org/package=ordinal/
.
5. Copestake, A., & Briscoe, T. (1995). Semi-productive polysemy and sense extension. Journal of Semantics, 12, 15–67.