(1)
Górniak, K.; Bahranowski, K.; Gaweł, A.; Marynowski, L.; Szydłak, T. Middle Jurassic Black Shales (Skrzypny Shale Formation) – Palaeoenvironmental Significance of One of the Oldest Deposits of the Pieniny Klippen Belt. geotour 2018, No. 13, 19. https://doi.org/10.7494/geotour.2008.13.19.