2008 Syntax, recursion, productivity – a usage-based perspective on the evolution of grammar. In: A. Lubotsky, J. Schaeken, J. Wiedenhof (eds.). Evidence and Counter-evidence (SSGL 33). Amsterdam, New York: Rodopi. 399–414. 10.1163/9789401206365_025
2021 Argumentation in evolution. On the relation between dyadic and public communication. In: R. Boogaart, H. Jansen, M. van Leeuwen (eds.). The Language of Argumentation. Cham: Springer. 37–60. 10.1007/978‑3‑030‑52907‑9_3