@book{PPN593496108, title = {Commercio Epistolare Tomo 6}, series = {GDML\_Books}, publisher = {Societ\`a Editrice Fiorentina}, address = {Firenze}, year = {1847}, language = {it}, url = {http://dml.mathdoc.fr/item/PPN593496108} }
Galilei, Galileo. Commercio Epistolare Tomo 6. GDML_Books (1847), http://gdmltest.u-ga.fr/item/PPN593496108/