@article{61622,
      recid = {61622},
      author = {Risser, Hubert E.},
      title = {Gasification and liquefaction: their potential impact on  various aspects of the coal industry},
      publisher = {Illinois State Geological Survey,},
      address = {Urbana,},
      pages = {28 p.},
      year = {1968},
      note = {Cover title.},
      url = {http://library.usi.edu/record/61622},
}