Janssen, A. W. (1984). Late Oligocene molluscs from a sandpit near Máriahalom (Hungary): a preliminary study. Annales Universitates Scientarium Budapestiensis de Rolando Eötvös Nominatae, Sectio Geologica. 24: 109-150.
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Janssen, A. W.
1984
Late Oligocene molluscs from a sandpit near Máriahalom (Hungary): a preliminary study
Annales Universitates Scientarium Budapestiensis de Rolando Eötvös Nominatae, Sectio Geologica