J. Fogarty, R. Baker, и S. Hudson. GI '05: Proceedings of Graphics Interface 2005, стр. 129--136. School of Computer Science, University of Waterloo, Waterloo, Ontario, Canada, Canadian Human-Computer Communications Society, (2005)
J. Sotelo Junior, J. Werner, и E. de Castro. DINAME 97 - International Symposium on Dynamic of
Machines of the Brazilian Association for Mechanics
Science, (марта 1997)