Reicherter, K.; Froitzheim, N.; Jarosinki, M.; Badura, J.; Franzke, H.-J.; Hansen, M.; Hübscher, C.; Müller, R.; Poprawa, P.; Reinecker, J.; Stackebrandt, W.; Voigt, T.; von Eynatten, H.; Zuchiewicz, W. (2008). "19. Alpine Tectonics north of the Alps". In McCann, T. (ed.). The Geology of Central Europe. Geological Society, London. pp. 1233–1285. ISBN978-1-86239-264-9. Retrieved 31 October 2009.
Johnson, Arvid M.; Fletcher, Raymond C. (1994). "Figure 2.6". Folding of viscous layers: mechanical analysis and interpretation of structures in deformed rock. Columbia University Press. p. 87. ISBN0-231-08484-6.