Článek přináší přehled druhů rodu chrpa (Centaurea) rostoucích v České republice. Uvedeny jsou všechny druhy a kříženci a jejich geografické rozšíření a stanovištní nároky, zvláštní důraz je kladen na taxonomické novinky (nově rozpoznané taxony) nebo taxony z území dosud neuváděné., This paper presents an overview of the genus Centaurea in the Czech Republic. All species and hybrids reported from the country are listed, their geographic distribution and habitat requirements are discussed. Taxonomic novelties (recently recognized taxa) and taxa not hitherto reported from the Czech Republic are discussed in detail., and Petr Koutecký.
Fr. Chodounský ; analyse chemické provedl Vácslav Bareš, biologické-chemické Vojtěch Netík, analyse Jan Šatava and Zvláštní otisk z X. ročníku Českých listů hospodářských, r. 1902
A conference honored the late Prof. Zdeněk Švestka, one of the great defining personalities of twentieth-century solar physics. His main scientific interest focused on solar flares. During his year at Ondřejov, he became an expert in flare spectra. Later his interests extended into white-light flares, proton flares, and their radio signatures (type II and IV bursts), which were suggestive of shock-acceleration of particles. The conference, organized by the Astronomical Institute, took place on 23-27 June 2014 in Prague. Zdeněk Švestka, born on 30 September 1925 in Prague, passed away on 2 April 2013 in Bunschoten. and Petr Heinzel,Marian Karlický, František Fárník.
The study introduces the figure of Jan Železný - the bishop of Litomyšl (1388-1418) and Olomouc (1416/18-1430), administrator of the Prague diocese (1421-1430) and Cardinal Priest of the Title of St Cyriac (1426-1430), who is one of the most famous Bohemian opponents of Master Jan Hus and the Bohemian Reformation. Emphasis is placed on following the relationship of Jan Železný to King of Hungary, later of the Romans and Bohemia, Sigismund. This relationship began deep in the reign of Wenceslas IV, when Jan Železný was among the noble opposition to Wenceslas and therefore cooperated with the King of Hungary, but it acquired a new intensity in the context of the death of Jan Hus and particularly in connection with the wars of Sigismund against the Hussites. In the first half of the 1420s, Jan Železný was an important link in Sigismund´s military coalition, but in the second half of the 1420s he had to go into exile at Sigismund´s court and following the intentions of Pope Martin V he attempted to stop the new course of Sigismund´s Hussite policy., Petr Elbel., and Obsahuje seznam pramenů a odkazy pod čarou