2010-11-17 August Ferdinand Mobius * http://en.wikipedia.org/wiki/August_Ferdinand_Möbius http://www.encyclopedia.com/doc/1G2-3407500199.html_ nastro di Moebius http://www.youtube.com/watch?v=iukpJoipypc _ moebius angouleme2009 http://www.youtube.com/watch?v=RxsJgtrA5mw