Zuidema, W. (2003) Modeling Language Acquisition, Change and Variation. In Proceedings of Language Evolution and Computation Workshop/Course at ESSLLI , pages 32--41.

2008	-	Computational Approaches to the Study of Language Change - Baker	::
		Zuidema, Willem. 2003. Modeling language acquisition, change and variation. Language Evolution and Computation Workshop at the 15th European Summer School on Logic Language and Information, Vienna, 25-29 August, ed. by Simon Kirby, 32-41. .
2005	-	The Major Transitions in the Evolution of Language - Zuidema	::	2
		ZUIDEMA, W. (2003b). Modeling language acquisition, change and variation. In: Proceedings of the Workshop on Language Evolution and Computation (Kirby, S., ed.). 15th European Summer School in Logic Language and Information (ESSLLI).