Harzhauser, M.; Gross, M.; Binder, H. (2008). Biostratigraphy of Middle Miocene (Sarmatian) wetland systems in an Eastern Alpine Intramontane Basin (Gratkorn Basin, Austria). The terrestrial gastropod approach. Geologica Carpathica. 59: 45-58.
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Harzhauser, M.; Gross, M.; Binder, H.
2008
Biostratigraphy of Middle Miocene (Sarmatian) wetland systems in an Eastern Alpine Intramontane Basin (Gratkorn Basin, Austria). The terrestrial gastropod approach