@article{18794,
      note = {"Reprinted from the Bulletin of the American Association  of Petroleum Geologists, vol. 31, no. 8, August, 1947."},
      author = {Grim, Ralph E.},
      url = {http://library.usi.edu/record/18794},
      title = {Relation of clay mineralogy to origin and recovery of  petroleum.},
      recid = {18794},
      pages = {1491-1499 p.},
      address = {Urbana,},
      year = {1947},
}