@book{bhlitem258205, title = {Geologische Rundschau : Zeitschrift für Allgemeine Geologie }, volume = {Bd.7:Heft 7-8(1917)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection}, url = {https://www.biodiversitylibrary.org/item/258205}, note = {https://www.biodiversitylibrary.org/bibliography/152875}, publisher = {Leipzig, }, author = {}, year = {1917}, pages = {90}, }