1. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and Russian Description: 31 and Results of observations of the solar eclipse on June 30, 1954 Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and Russian Description: 33 and Mnogoletneje izmenenije cirkuljacii Atlantičesko-jevropejskoj oblasti v svjazi s sekuljarnoj solnečnoj dejatel'nost'ju Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public