I — fine-grained clastic flysch formations: Spas shales, Inoceramus beds, Hieroglyphic beds, variegated shales, Menilite beds, Krosno beds;
I – finkorninga klastiska flysch-formationer: Spas-skiffer, inoceramus-skikt, hieroglyfiska skikt, marmorerat skiffer, menelitskikt, Krosno-skiktEurlex2019 Eurlex2019