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OkoĊski, S.P. et al. 2014. Lithistid spicules in the sediments of the Turonian Variegated Shale in the Silesian Nappe, Polish Outer Carpathians.
Geology, Geophysics and Environment. 40, 1 (Mar. 2014), 33. DOI:
https://doi.org/10.7494/geol.2014.39.1.33.