@book{18900, author = {Duhem, Pierre}, title = {Le Systeme du Monde: histoire des doctrines cosmologiques de Platon a Copernic. 6 Parts in 10 Volumes. Part 5: La Physique Parisienne au XIVe Siecle. Volume 9.}, publisher = {Hermann}, year = {1958}, address = {Paris}, edition = {2nd} }