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Kozur Heinz; Mock Rudolf: Conodonts and holothurian sclerites from the Upper Permian and Triassic of the Bükk Mountains (North Hungary). In: Acta mineralogica-petrographica, (23) 1. pp. 109-126. (1977)
Kozur Heinz; Mock Rudolf: On the age of the Paleozoic of the Uppony Mountains (North Hungary). In: Acta mineralogica-petrographica, (23) 1. pp. 91-107. (1977)