@article{54291,
      note = {Cover title.},
      author = {Peppers, Russel A. and Damberger, H. H.,},
      url = {http://library.usi.edu/record/54291},
      title = {Palynology and petrography of a Middle Devonian coal in  Illinois},
      publisher = {Illinois State Geological Survey,},
      recid = {54291},
      pages = {34 p.},
      address = {Urbana,},
      year = {1969},
}