@incollection{bleys08evolang,
	Author = {Bleys, Joris},
	Booktitle = {The Evolution of Language: Evolang 7},
	Editor = {Andrew D. M. Smith and Kenny Smith and Ramon Ferrer i Chancho},
	Publisher = {World Scientific},
	Title = {Expressing Second Order Semantics and The Emergence of Recursion},
	Year = {2008},
        Pages = {34--41}}