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• Noack, K.; Hinderfled, G.; Marx, W. E.; Marth, W.
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  Latest Developments With Ventilation Techniques, Water Spray Systems and Gas Emission Judging Methods in Machine-Driven Headings.
  Westfalische Berggewerkschaftskasse, FRG; Landesoberbegant Nordrhein-Westfalen, FRG
  U.S. Department of the Interior, Bureau of Mines. International Conference of Safety in Mines Research Institutes, 23rd Proceedings. September 11-15, 1989, Washington, DC, 914-940 p., 1989

• Marth, W.
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  Safety Requirements for Conveyor Belts in German Underground Coal Mines.
  Landesoberbergamt Nordrhein-Westfalen, Dortmund, Federal Republic of Germany
  Session 4
  Session 4
  Plastics and Rubber Institute. Fire-Resistant Conveyor Belts International Conference. September 13-14, 1983, Plastics and Rubber Institute, London, England, Lancaster, England, 4/1-7 p., 1983