Wichmann, Søren Department of Linguistics, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Wichmann, S. (2015). Statistical observations on implicational (verb) hierarchies. In B. Comrie, & A. Malchukov (Eds.), Valency classes in the world's languages: Introducing the framework, and case studies from Africa and Eurasia (pp. 155-182). Berlin [u.a.]: Mouton de Gruyter.