@inproceedings{Cantarella:2004:AED,
  title = {An Energy-Driven Approach to Linkage Unfolding},
  booktitle = {Proceedings of the 20th Annual Symposium on Computational Geometry},
  author = {Jason H. Cantarella and Eric D. Demaine and Hayley N. Iben and James F. O'Brien},
  month = jun,
  location = {Brooklyn, New York},
  year = 2004,
  url = {http://graphics.cs.berkeley.edu/papers/Cantarella-AED-2004-06/},
}