URIhttp://vishub.org/pictures/7145erastosthenesexperiment.jpg.pagespeed.ce.UAcyVB7rpW.jpgUploaded by Tsetsa Hristova via ViSH Editorv2015.03.21draftauthorBEGIN:VCARD
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N:Tsetsa Hristova
FN:Tsetsa Hristova
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N:Tsetsa Hristova
FN:Tsetsa Hristova
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