@article{KaelbererPolthierReitebuchetal.2005, author = {Felix K{\"a}lberer and Konrad Polthier and Ulrich Reitebuch and Max Wardetzky}, title = {Free Lence - Coding with free valences}, journal = {Computer Graphics Forum}, volume = {24}, number = {Issue 3}, pages = {469 -- 478}, doi = {10.1111/j.1467-8659.2005.00872.x}, year = {2005}, }