Kafteinn
Žrišjudagurinn 7. maķ 2013 kl. 19:46
Flokkur: Spjaldiš
0.1 gram per tonn af mannskepnum
http://www.wolframalpha.com/input/?i=Human+abundance+of+gold+*+70kg+*+human+population
http://www.wolframalpha.com/input/?i=Human+abundance+of+gold+*+70kg+*+human+population
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Vesen 2009