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Yusuf Tezcan yt@identi.ca
Antalya, Turkey
Computer Engineer, Technology Manager of Tablets Mobile
Yusuf Tezcan at 2011-03-08T03:36:43+00:00
This is an important day. #Kepler discovered the third law of planetary motion in 8th March 1618. http://ur1.ca/3f63hYusuf Tezcan likes this.