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pro vyhledávání: '"Antoaneta Ilcheva"'
Publikováno v:
Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 265:249-274
This paper presents the taxonomic revision of Late Jurassic and Early Cretaceous aptychi housed at the National Museum of Natural History, Sofia (Bulgaria). The aptychi came from the pelagic, flysch-like and flysch deposits of Central and North Bulga