References:
Buckingham, Thomas, Walker Simon, Jurg Meyer, and Harry Keel. "Swiss Tectonic Arena Sardona." Unesco World Heritage, v3.0. 7 Aug. 2013. Print.
Fossen, Haakon. Structural Geology. Cambridge: Cambridge UP, 2010. Print.
Froitzheim, Nikolaus. "Geology of the Alps Part 1: General remarks; Austroalpine nappes." Structural Geology. University of Bonn, Germany. 27 Mar. 2012. PDF.
<http://www.steinmann.uni-bonn.de/arbeitsgruppen/strukturgeologie/lehre/wissen-gratis/geology-of-the-alps-part-1-general-remarks-austroalpine-nappes>.
Gasser, Deta, and Bas Brok. "Tectonic Evolution of the Engi Slates, Glarus Alps, Switzerland." Swiss Journal of Geosciences 101 (2008): 311-22. Print.
Herwegh, Marco, Jean-Pierre Hürzeler, O. Adrian Pfiffner, Stefan M. Schmid, Rainer Abart, and Andreas Ebert. "The Glarus Thrust: Excursion Guide and Report of a Field Trip of the Swiss Tectonic Studies Group (Swiss Geological Society, 14.–16. 09. 2006)." Swiss Journal of Geosciences: 323-40. Print.
Imper, David. "Elm-Linthal: Crossing the Richetlipass." Federal Office of Topography Swisstopo. Swisstopo, 15 Feb. 2011. Web. 30 Mar. 2015. <http://www.swisstopo.admin.ch/internet/swisstopo/en/home/topics/geology/viageoalpina/VGA_Sardona.parsys.000101.downloadList.80281.DownloadFile.tmp/stage0610elmlinthalen.pdf>.
Raumer, J. F. Von. Pre-Mesozoic Geology in the Alps. Berlin: Springer-Verlag, 1993. Print.
University of Oregon. "Outcrop Patterns." Structural Geology. 2010. Web. 29 Mar. 2015. <http://pages.uoregon.edu/millerm/Srpatterns.html>.