@book{PPN593495683, title = {Opere Astronomiche Tomo 4}, series = {GDML\_Books}, publisher = {Societ\`a Editrice Fiorentina}, address = {Firenze}, year = {1844}, language = {it}, url = {http://dml.mathdoc.fr/item/PPN593495683} }
Galilei, Galileo. Opere Astronomiche Tomo 4. GDML_Books (1844), http://gdmltest.u-ga.fr/item/PPN593495683/