@article{ERMS:SourceID:278712, author = {Kübler, J. and Zwingli, H.}, journal = {Winterthur, Schweiz. Steiner.}, pages = {1-49}, title = {Die Foraminiferen des schweizerischen Jura}, url = {https://books.google.pt/books?id=9dVAAAAAcAAJ}, year = {1870} }