@article{Letsch2016, author = "D. Letsch", title = "{Swiss contributions to mid-nineteenth century tectonic research: a step backwards or the prologue to the nappe tectonics revolution?}", year = "2016", month = "5", url = "https://geolsoc.figshare.com/articles/journal_contribution/Swiss_contributions_to_mid-nineteenth_century_tectonic_research_a_step_backwards_or_the_prologue_to_the_nappe_tectonics_revolution_/3395344", doi = "10.6084/m9.figshare.3395344.v1" }