Search for: [References = "57. Slavík M., Bruthans J., Filippi M., Schweigstillová J., Falteisek L., Řihošek J., 2017, Biologically\-initiated rock crust on sandstone\: Mechanical and hydraulic properties and resistance to erosion, Geomorphology, 278, s. 298–313. https\:\/\/doi.org\/10.1016\/j.geomorph.2016.09.040"]