Two cycads Nilssonia mirovanae sp. nov. and Pseudoctenis babinensis J.Kvaček from the Cenomanian of the Bohemian Cretaceous Basin (the Czech Republic) as indicators of water stress in the palaeoenvironment Jana Čepičková , Jiří Kvaček 2020 | ročník 76 | číslo 2 | stránky 315–324 PDF