@article{60239,
      recid = {60239},
      author = {Pough, Frederick H.},
      title = {A Field guide to rocks and minerals.},
      publisher = {Houghton Mifflin,},
      address = {Boston,},
      pages = {xv, 349 p.},
      year = {1960},
      url = {http://library.usi.edu/record/60239},
}