Stratigraphy, plankton communities, and magnetic proxies at the Jurassic /Cretaceous boundary in the Pieniny Klippen Belt (Western Carpathians, Slovakia) - Michalík, Jozef; Reháková, Daniela; Grabowski, Jacek; Lintnerová, Otília; Svobodová, Andrea; Schlögl, Ján; Sobień, Katarzyna; Schnabl, Petr