@INCOLLECTION { steels:04b, address = {Berlin},author = {Steels, Luc},booktitle = {Embodied Artificial Intelligence},editor = {Fumiya, I. and Pfeifer, R. and Steels,L. and Kunyoshi, K.},note = {Language},pages = {231--242},publisher = {Springer Verlag},series = {Lecture Notes in AI},title = {The Autotelic Principle},type = {INCOLLECTION},volume = {3139},year = {2004},}