@INPROCEEDINGS{fjlc-INTERACCION:2006, author = {Fernando L{\'o}pez and Javier Tejedor and Javier Garrido and Jos{\'e} Col{\'a}s}, title = {Use of a Hierarchical Skeleton for Spanish Sign Language 3D Representation over Mobile Devices}, booktitle = {Proceedings of INTERACCION}, year = {2006}, pages = {565--568}, month = nov, organization = {AIPO}, isbn = {84-690-1613-X}, location = {Spain}}