High resolution stratigraphy of the Jurassic-Cretaceous boundary interval in the Gresten Klippenbelt (Austria) - Lukeneder, Alexander; Halásová, Eva; Kroh, Andreas; Mayrhofer, Susanne; Pruner, Petr; Reháková, Daniela; Schnabl. Petr; Sprovieri, Mario; Wagreich, Michael