Kafteinn
Fimmtudagurinn 12. nóvember 2009 kl. 18:47
Flokkur: Spjaldiš
Hver var aftur aš ljśga žessu nżlega?
http://danielmiessler.com/blog/why-planes-fly-what-they-taught-you-in-school-was-wrong
http://danielmiessler.com/blog/why-planes-fly-what-they-taught-you-in-school-was-wrong
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Vesen 2009