@article{309563,
      recid = {309563},
      author = {Rudman, Peter Strom.},
      title = {How mathematics happened : the first 50,000 years /},
      publisher = {Prometheus Books,},
      address = {Amherst, N.Y. :},
      pages = {314 p. :},
      year = {2007},
      url = {http://library.usi.edu/record/309563},
}