@book{UBHD-3121645, author={Pedretti, Carlo and Leonardo <da Vinci>}, title={Vol. I - VI}, publisher={Johnson}, address={Firenze}, year={1978}, pages={256 S.}, language={eng}, isbn={0-384-09500-3 and 978-0-384-09500-7}, library={UB [Signatur: 80 B 2053::1]}, }