Anne Verroust Matthieu Finiasz A Control of Smooth Deformations with Topological Change on Polyhedral Mesh Based on Curves and Loops. 191-200 2002 conf/smi/2002 Shape Modeling International http://csdl.computer.org/comp/proceedings/smi/2002/1546/00/15460191abs.htm db/conf/smi/smi2002.html#VerroustF02