Magnetostratigraphic and petromagnetic studies of the Jurassic/Cretaceous limestones from the Río Argos (Caravaca, SE Spain), Carcabuey (S Spain) and the Bosso Valley (Umbria, central Italy) - Hoedemaeker, Philip J.; Houša, Václav; Krs, Miroslav; Man, Otakar; Parés, Josep M.; Pruner, Petr; Venhodová, Daniela