@ARTICLE{HeRuSc14,
  author = {Heeren, Behrend and Rumpf, Martin and Schr{\"{o}}der, Peter and Wardetzky,
	Max and Wirth, Benedikt},
  title = {Exploring the Geometry of the Space of Shells},
  journal = {Comput. Graph. Forum},
  year = {2014},
  volume = {33},
  pages = {247--256},
  number = {5},
  pdf = {http://numod.ins.uni-bonn.de/research/papers/public/HeRuSc14.pdf},
  fjournal = {Computer Graphics Forum},
}