@article{113822,
      recid = {113822},
      author = {Laferriere, Alan P.},
      title = {The Ordovician-Silurian unconformity in southeastern  Indiana /},
      publisher = {Indiana Geological Survey,},
      address = {Bloomington, Ind. :},
      pages = {12 p. :},
      year = {1986},
      url = {http://library.usi.edu/record/113822},
}