Dae-Eun Hyun Myung-Soo Kim Bert Jüttler Minimizing the Distortion of Affine Spline Motions. 50-59 2001 conf/pg/2001 Pacific Conference on Computer Graphics and Applications http://csdl.computer.org/comp/proceedings/pg/2001/1227/00/12270050abs.htm db/conf/pg/pg2001.html#HyunKJ01