Steels, L. and Beule, J. D. (2006) Unify and Merge in Fluid Construction Grammar. In P. Vogt and et al., editors, Symbol Grounding and Beyond: Proceedings of the Third International Workshop on the Emergence and Evolution of Linguistic Communication , pages 197--223. Springer.

2007	-	Perspective Alignment in Spatial Language - Steels,Loetzsch	::	1
		L. Steels and J. De Beule. Unify and merge in fluid construction grammar. In C. Lyon, A. Cangelosi, and C. L. Nehaniv, editors, Emergence and Evolution of Linguistic Communication, Lecture Notes in Computer Science. Springer, 2006. to appear.