What Are the Unique Design Features of Language? Formal Tools for Comparative Claims. - Willem H. Zuidema; Arie Verhagen (Adapt. Behav., 2010)

A Usage-Based Model of Early Grammatical Development. - Barend Beekhuizen; Rens Bod; Afsaneh Fazly; Suzanne Stevenson; Arie Verhagen (CMCL@ACL, 2014)