Ashworth, E. (1985). Research & engineering applications in rock masses: Proceedings of the 26th U.S. symposium on rock mechanics, South Dakota School of Mines & Technology, Rapid City, 26-28 June 1985. Rotterdam: A. A. Balkema.
Παραπομπή Chicago StyleAshworth, Eileen. Research & Engineering Applications in Rock Masses: Proceedings of the 26th U.S. Symposium On Rock Mechanics, South Dakota School of Mines & Technology, Rapid City, 26-28 June 1985. Rotterdam: A. A. Balkema, 1985.
Παραπομπή MLAAshworth, Eileen. Research & Engineering Applications in Rock Masses: Proceedings of the 26th U.S. Symposium On Rock Mechanics, South Dakota School of Mines & Technology, Rapid City, 26-28 June 1985. Rotterdam: A. A. Balkema, 1985.
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