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  1. USA Bureau of Mines

    Tests of strength of roof supports used in anthracite mines of Pennsylvania : report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commission and review of the compressive strength of anthracite, bituminous coals and mine supports

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    Washington: U.S. Gov. Print. Off., 1929

    Published in: USA: Bulletin / US Department of the Interior, Bureau of Mines ; 30300

  2. Mandel, Kristin [Author] ; Krüger, Lutz [Degree supervisor]; Krüger, Lutz [Other]; Aneziris, Christos G. [Other]

    Untersuchungen zum feldaktivierten Sintern und zum geschwindigkeitsabhängigen Festigkeits- und Versagensverhalten von near-nano WC-Co-Hartstoffen unter Druckbeanspruchung

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    Freiberg: Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2014