@article{318661,
      recid = {318661},
      author = {Oldershaw, Cally.},
      title = {Philip's guide to gems [electronic resource] /},
      publisher = {Philip's,},
      address = {London :},
      year = {2003},
      note = {Title from title screen (viewed May 2, 2007)},
      abstract = {An illustrated guide to the identification and use of  gemstones. The introduction describes the geology,  chemistry and properties of gems in clear and accessible  terms. The main section supplies complete descriptions of a  wide range of gems. -- Credo Reference description.},
      url = {http://library.usi.edu/record/318661},
}