Ordovician of the western area of Stara Planina (Balkan Mountain), Bulgaria: Trace fossils and palaeogeographic implications

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ژورنال

عنوان ژورنال: Revista del Museo Argentino de Ciencias Naturales

سال: 2001

ISSN: 1514-5158

DOI: 10.22179/revmacn.3.110