@article{56919,
      author = {Sinkankas, John.},
      url = {http://library.usi.edu/record/56919},
      title = {Mineralogy for amateurs.},
      publisher = {Van Nostrand},
      recid = {56919},
      pages = {xiii, 585 p.},
      address = {Princeton, N.J.,},
      year = {1966},
}