41. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Creator: Guth, V. and Sehnal, L. Type: model:periodicalitem and TEXT Language: Czech and English Description: 47 and The visual observations of artificial satellites 1957α1,α2, 1957β and 1958δ1,δ2 Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
42. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and English Description: 46 and Period changes of the eclipsing binary RW Tauri Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
43. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and English Description: 44 and A solar radio telescope fot the wavelengths of 56 and 130 cm Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
44. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech Description: 43 and List of flares observed at Ondřejov Observatory duriny the I.G.Y. Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
45. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and English Description: 45 and New type of interference-polarization filter and its application in astronomy Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
46. Umění Type: model:supplement and TEXT Language: Czech Description: Obsah ročníku Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
47. Umění. Obsah ročníku Type: model:supplement and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public