@article{PhysRevFocus.1.11,
  title = {Spheres That Won't Mix},
  author = {Anonymous},
  journal = {Phys. Rev. Focus},
  volume = {1},
  issue = {},
  pages = {11},
  numpages = {1},
  year = {1998},
  month = {May},
  doi = {10.1103/PhysRevFocus.1.11},
  url = {http://link.aps.org/doi/10.1103/PhysRevFocus.1.11},
  publisher = {American Physical Society}
}