On the age of Middle-Upper Jurassic radiolarites in the Eastern part of the Pieniny Klippen Belt

by Ožvoldová, L., Frantová, L., Jablonský, J.
Source: 1. Geologica carpathica 1. 1335-0552 1. Roč. 50, špec. č. (1999), s. 62-63