CONF thimm-caip99-xray/IDIAP Tracking Articulators in X-ray Movies of the Vocal Tract Thimm, Georg EXTERNAL http://publications.idiap.ch/attachments/papers/1999/caip99_2.pdf PUBLIC 8th Int. Conf. Computer Analysis of Images and Patterns Lecture Notes in Computer Science 1999 Springer Verlag 126-133