Εξίσωση του Ντρέηκ (Greek Wikipedia)

Analysis of information sources in references of the Wikipedia article "Εξίσωση του Ντρέηκ" in Greek language version.

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archive.org

astro-tom.com

astronomynow.com

bbc.co.uk

cambridge.org

journals.cambridge.org

doi.org

dx.doi.org

harvard.edu

adsabs.harvard.edu

nationalgeographic.com

news.nationalgeographic.com

nih.gov

ncbi.nlm.nih.gov

pbs.org

  • Aguirre, L. (1 Ιουλίου 2008). «The Drake Equation». Nova ScienceNow. PBS. Ανακτήθηκε στις 7 Μαρτίου 2010. 

seti.org

setileague.org

  • «Chapter 3 — Philosophy: "Solving the Drake Equation». Ask Dr. SETI. SETI League. Δεκεμβρίου 2002. Ανακτήθηκε στις 10 Απριλίου 2013.