@article{53845,
      note = {Cover title.},
      author = {Jackman, H. W. and Helfinstine, Roy John,},
      url = {http://library.usi.edu/record/53845},
      title = {Drying and preheating coals before coking Part  l--Individual Coals. Part 2--Coal Blends},
      publisher = {Illinois State Geological Survey},
      recid = {53845},
      pages = {26 p.},
      address = {Urbana,},
      year = {1968},
}