@INPROCEEDINGS{WiBaRu09,
  author = {Wirth, Benedikt and Bar, Leah and Rumpf, Martin and Sapiro, Guillermo},
  title = {Geodesics in Shape Space via Variational Time Discretization},
  booktitle = {Proc. of International Conference on Energy Minimization Methods
	in Computer Vision and Pattern Recognition},
  year = {2009},
  volume = {5681},
  series = {Lecture Notes in Computer Science},
  pages = {288--302},
  doi = {10.1007/978-3-642-03641-5_22},
  pdf = {http://numod.ins.uni-bonn.de/research/papers/public/WiBaRu09.pdf}
}