@Article{polster,
  author =       {Burkard Polster},
  title =        {What is the best way to lace your shoes?},
  journal =      {Nature},
  year =         2002,
  volume =    420,
  month =     Dec
}

@Misc{knutson,
  author =    {Allen Knutson},
  title =     {Site-swap {FAQ}},
  note =      {Available at \url{http://www.juggling.org/help/siteswap/faq.html}}
}

@Article{fine,
  author =       {N. J. Fine},
  title =        {The Jeep Problem},
  journal =      {The American Mathematical Monthly},
  year =         1947,
  volume =    54,
  number =    1,
  pages =     {24-31},
  month =     Jan,
  note =      {Available at \url{http://links.jstor.org/sici?sici=0002-9890\%28194701\%2954\%3A1\%3C24\%3ATJP\%3E2.0.CO\%3B2-L}}
}


@Article{phipps,
  author =       {C. G. Phipps},
  title =        {The Jeep Problem: A More General Solution},
  journal =      {The American Mathematical Monthly},
  year =         1947,
  volume =    54,
  number =    8,
  pages =     {458-462},
  month =     Oct,
  note =      {Available at \url{http://links.jstor.org/sici?sici=0002-9890\%28194710\%2954\%3A8\%3C458\%3ATJPAMG\%3E2.0.CO\%3B2-C}}
}