Okoński SP, Górny Z, Bąk M, Bąk K. Lithistid spicules in the sediments of the Turonian Variegated Shale in the Silesian Nappe, Polish Outer Carpathians. geol [Internet]. 2014Mar.10 [cited 2024Nov.14];40(1):33. Available from: https://ggae.agh.edu.pl/index.php/geol/article/view/777