Chronological implications of the paleomagnetic record of the Late Cenozoic volcanic activity along the Moravia-Silesia border (NE Bohemian Massif) - Cajz, Vladimír; Schnabl, Petr; Pécskay, Zoltán; Skácelová, Zuzana; Venhodová, Daniela; Šlechta, Stanislav; Čížková, Kristýna