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 [Internet]. 2018Jul.4 [cited 2024May7];(13):19. Available from: https://journals.agh.edu.pl/geotour/article/view/687