61. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and English Description: 49 and Radio communication in astronautics from the geometrical point of view Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
62. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and English Description: 51 and 3rd consultation on solar physics and hydrodynamics Tatranská Lomnica 13.-16. 10. 1964 Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
63. 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
64. 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
65. 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
66. 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
67. 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
68. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and English Description: 48 and Table of galactic direction cosines Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
69. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and English Description: 50 and Dioptric tables of the Earth´s atmosphere Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
70. Umění Type: model:supplement and TEXT Language: Czech Description: Obsah ročníku Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public