@book{6641, author = {Poulle, Emmanuel}, note = {Extr. de : Language and invention : essays presented to Francis Maddison, 1994}, url = {http://bibnum.enc.sorbonne.fr/omeka/tires-a-part/085292265}, title = {L'astrolabe sphérique dans l'Occident latin}, address = {Aldershot}, publisher = {Variorum}, year = {1994} }