@article{155098,
      note = {"Prepared for annual meeting, Pander Society, in  cooperation with North-Central Section, The Geological  Society of America, DeKalb, Illinois, May 11-14, 1972."},
      author = {Collinson, Charles.},
      url = {http://library.usi.edu/record/155098},
      title = {Pennsylvanian conodont assemblages from La Salle County,  Northern Ill. /},
      publisher = {Illinois State Geological Survey,},
      recid = {155098},
      pages = {37 p. :},
      address = {[Urbana :},
      year = {1972},
}