@article{19302,
      note = {"Reprinted from the Journal of geology, vol. LV, no. 3,  May, 1947."},
      author = {Cooper, Chalmer L.},
      url = {http://library.usi.edu/record/19302},
      title = {Role of microfossils in interregional Pennsylvanian  correlations.},
      recid = {19302},
      pages = {261-270 p.},
      address = {Urbana,},
      year = {1947},
}