@article{63026,
      author = {Winslow, Marcia R.},
      url = {http://library.usi.edu/record/63026},
      title = {Upper Mississippian and Pennsylvanian megaspores and other  plant microfossils from Illinois.},
      publisher = {State Geological Survey,},
      recid = {63026},
      pages = {135 p. :},
      address = {Urbana,},
      year = {1959},
}