@article{157007,
      note = {Title varies slightly.},
      url = {http://library.usi.edu/record/157007},
      title = {Gem stones in ...},
      publisher = {U.S. Dept. of the Interior, Bureau of Mines,},
      recid = {157007},
      pages = {v. ;},
      address = {Washington, D.C. :},
}