Garber, Stephen J.
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 23-48.
Jones, Morris
in: Vakoch, Douglas A. and Harrison, Albert A. eds. Civilizations Beyond Earth: Extraterrestrial Life and Society. New York: Berghahn, 2011. p. 226-235.
Bentley, Jerry; Finney, Ben
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 65-78.
Traphagan, John W.
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 131-142.
Saint-Gelais, Richard
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 79-94.
Kilgore, De Witt D.
in: Dick, S. J. and Launius, R. D., eds Societal Impact of Spaceflight. Washington, DC: NASA Division of External Relations, History Division, 2007. p. 539-553.
Tarter, Donald E.
in: Vakoch, Douglas A. and Harrison, Albert A. eds. Civilizations Beyond Earth: Extraterrestrial Life and Society. New York: Berghahn, 2011. p. 87-101.
Raybeck, Douglas
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 143-160.
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 161-174.
Hofmann, Beda
In: Myrach, Thomas, ed. Science & Fiction: Imagination und Realitaet des Weltraums. Bern: Haupt Verlag, 2009. p. 155-174.
Wason, Paul K.
in: Vakoch, Douglas A. and Harrison, Albert A. eds. Civilizations Beyond Earth: Extraterrestrial Life and Society. New York: Berghahn, 2011. p. 43-59.
Baxter, Stephen
JBIS: Journal of the British Interplanetary Society 62(4): 131-138. April 2009.
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 113-130.
Denning, Kathryn
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 95-112.
Vakoch, Douglas A.
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 251-254.
Silverberg, Robert
in: Silverberg, Robert. Musings and Meditations: Reflection on Science Fiction and Other Matters. New York: Nonstop, 2011. p. 122-125. (Reprinted from Asimov's Science Fiction, January 2004)
in: Dickens, Peter and Omrod, James S., eds. Palgrave Handbook of Society, Culture and Outer Space. New York: Palgrave Macmillan, 2016. p. 355-383.
Munevar, Gonzalo
in: Geppert, Alexander C. T., ed. Imagining Outer Space: European Astroculture in the Twentieth Century. Houndmills, Basingstoke, UK: Palgrave Macmillan, 2012. p. 267-284.
Brake, Mark; Griffiths, Martin
Foundation No. 85: 8-25. Summer 2002.
Theology & Science 19(2): May 2021. 120-131.
Wabbel, Tobias D.
in: Jeschke, Wolfgang, ed. Das Science Fiction Jahr No. 14. München: Heyne, 1999, p. 849-867.
Billingham, John
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 1-22.
Millin, Nichoaus
in: Jeschke, Wolfgang, ed. Das Science Fiction Jahr, No. 10. München: Heyne, 1995. p. 602-635.
Perrin, Marshall
Strange Horizons [8 p.] February 18, 2008. (http://strangehorizons.com/)
in: Vakoch, Douglas A., ed. Archaeology, Anthropology, and Interstellar Communication, ed. by Douglas A. Vakoch. Washington, DC: NASA, 2014. p. 191-204.
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