@article{4021,
      recid = {4021},
      author = {Tindall, James R.},
      title = {The collector's guide to rocks & minerals /},
      publisher = {Van Nostrand Reinhold,},
      address = {New York :},
      pages = {256 p. :},
      year = {1975},
      url = {http://library.usi.edu/record/4021},
}