Reference

Alexander Lukeneder, Miroslava Smrecková (2008): Excursion to Lower Cretaceous Sites. Stop 1: Sparbach (Schrambach Formation, Valaniginian to Barremian): An Early Cretaceous radiolarian assemblage and its palaeoecological implications of the Northern Calcareous Alps (Barremian, Lunz Nappe, Lower Austria) – Berichte der Geologischen Bundesanstalt – 74: 126 - 137.