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Paleoastronautika (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Paleoastronautika" in Czech language version.

refsWebsite
Global rank Czech rank
2archive.org
6th place
10th place
1daviddarling.info
7,061st place
3,038th place
1worldcat.org
5th place
3rd place

archive.org

  • GOLD, Thomas. Cosmic Garbage. Air Force and Space Digest. The Air Force Association, May 1960, Volume 43, Number 5, s. 65. Dostupné online [cit. 2021-12-26]. (anglicky) 
  • BASALLA, George. Civilized life in the universe. Scientists on intelligent extraterrestrials. New York: Oxford University Press, 2006. 248 s. Dostupné online. ISBN 0-19-517181-0. S. 144. (anglicky) 

daviddarling.info

  • DARLING, David. Paleocontact hypothesis. www.daviddarling.info [online]. [cit. 2021-12-16]. Dostupné online. 

worldcat.org

  • SAGAN, Carl. Direct contact between galactic civilizations by relativistic interstellar spaceflight. Planetary and Space Science. 1963, Volume 11, čís. 05, s. 485. ISSN 0032-063. (anglicky)