Roberts, Sean G. Language and Cognition Department, MPI for Psycholinguistics, Max Planck Society; Department of Archaeology and Anthropology, University of Bristol;
http://www.sciencedirect.com/science/article/pii/S037821661630577X (Supplementary material)
slonimska_roberts_2017.pdf (Publisher version), 2MB
Slonimska, A., & Roberts, S. G. (2017). A case for systematic sound symbolism in pragmatics: Universals in wh-words. Journal of Pragmatics, 116, 1-20. doi:10.1016/j.pragma.2017.04.004.