• publisher: Urbana : Illinois Institute of Natural Resources, State Geological Survey Division
  • creator: Kuhn, John K
  • contributor: Kuhn, John K.
  • Keyword: Coal Analysis. Trace elements Analysis.
  • years: [1980]
  • pages: vi, 67 p. :
  • class: QE105 TP325
  • notes: "August 1980."
  • download: pdf file