@INPROCEEDINGS { steels:05f, address = {Hatfield},author = {Steels, Luc},booktitle = {AISB'05: Proceedings of the Second International Symposium on the Emergence and Evolution of Linguistic Communication (EELC'05)},journal = {To appear in: AISB '05},note = {Language},pages = {143--150},publisher = {University of Hertfordshire},title = {What triggers the emergence of grammar?},type = {INPROCEEDINGS},year = {2005},}