@article{17736,
      recid = {17736},
      author = {Wertz, Ed.},
      title = {Handbook of gemstone carving : a complete guide to the  materials, equipment and techniques for carving gemstones  /},
      publisher = {Gembooks,},
      address = {Mentone, Calif. :},
      pages = {48 p. :},
      year = {1968},
      url = {http://library.usi.edu/record/17736},
}