@article{12608,
      recid = {12608},
      author = {Kottlowski, Frank Edward.},
      title = {Coal resources of the Americas : selected papers /},
      publisher = {Geological Society of America,},
      address = {Boulder, Colo. :},
      pages = {vi, 90 p. :},
      year = {1978},
      note = {Papers presented to a symposium planned by the Coal  Geology Division of the Geological Society of America held  in Mexico City in 1968.},
      url = {http://library.usi.edu/record/12608},
}