@article{PhysRevFocus.13.18,
  title = {Cactus Patterns Buckle Up},
  author = {Klarreich, Erica},
  journal = {Phys. Rev. Focus},
  volume = {13},
  issue = {},
  pages = {18},
  numpages = {1},
  year = {2004},
  month = {Apr},
  doi = {10.1103/PhysRevFocus.13.18},
  url = {http://link.aps.org/doi/10.1103/PhysRevFocus.13.18},
  publisher = {American Physical Society}
}