Jarek Rossignac Mark Allen Wayne J. Book Ari Glezer Imme Ebert-Uphoff Christopher D. Shaw David W. Rosen Stephen Askins Jing Bai Paul Bosscher Joshua Gargus ByungMoon Kim Ignacio Llamas Austina Nguyen Guang Yuan Haihong Zhu Finger Sculpting with Digital Clay: 3D Shape Input and Output through a Computer-Controlled Real Surfac. 229-234, 296 2003 conf/smi/2003 Shape Modeling International http://doi.ieeecomputersociety.org/10.1109/SMI.2003.1199620 db/conf/smi/smi2003.html#RossignacABGESRABBGKLNYZ03