RT @fbon: Eratosthène, un roman du verrou mental http://t.co/igFzGNiRoB
— Thierry Crouzet (@crouzet) September 4, 2014
via Twitter http://ift.tt/1iA842H
RT @fbon: Eratosthène, un roman du verrou mental http://t.co/igFzGNiRoB
— Thierry Crouzet (@crouzet) September 4, 2014
via Twitter http://ift.tt/1iA842H