@article{63996,
      author = {Wanless, Harold R.},
      url = {http://library.usi.edu/record/63996},
      title = {Pennsylvanian faunas of the Beardstown, Glasford, Havana,  and Vermont quadrangles.},
      recid = {63996},
      pages = {59 p.},
      address = {Urbana,},
      year = {1958},
}