@article{PhysRevFocus.18.17,
  title = {Hidden Twists and Turns},
  author = {Schirber, Michael},
  journal = {Phys. Rev. Focus},
  volume = {18},
  issue = {},
  pages = {17},
  numpages = {1},
  year = {2006},
  month = {Dec},
  doi = {10.1103/PhysRevFocus.18.17},
  url = {http://link.aps.org/doi/10.1103/PhysRevFocus.18.17},
  publisher = {American Physical Society}
}