Reference
Ivan Cicha, Fred Rögl, J. Ctyroka (2004): Central Paratethys Karpatian foraminifera. In: Brzobohaty, R., Cicha, I., Kovac, M. & Rögl, F. (eds. 2003): The Karpatian a Lower Miocene Stage of the Central Paratethys – Masaryk University Brno – : 169 - 188.