1. Berger, Peter L. & Thomas Luckmann. 1966. The Social Construction of Reality. A Treatise in the Sociology of Knowledge. Garden City, NY: Doubleday.
2. Bohlmann, Ulrike M. & Moritz J. F. Bürger. 2018. Anthromorphism in the Search for Extra-Terrestric Intelligence – The Limits of Cognition? Acta Astronautica 143: 163–168.
3. Bostrom, Nick. 2014. Superintelligenz. Szenarien einer kommenden Revolution. Frankfurt am Main: Suhrkamp.
4. Bostrom, Nick. 2017. Superintelligence. Paths, Dangers, Strategies (Reprinted with corrections). Oxford: Oxford University Press.
5. Chick, Garry. 2014. Biocultural Prerequisites for the Development of Interstellar Communication. In Archaeology, Anthropology, and Interstellar Communication, Ed. Douglas A. Vakoch, 203–226. Washington: NASA.