@book{UBHD-1051307, author={Wasserman, Jack}, title={Leonardo}, publisher={Abrams}, address={New York}, year={1975}, pages={179 S.}, language={eng}, isbn={0-8109-0262-1 and 978-0-8109-0262-6}, series={The library of great painters}, library={UB [Signatur: 77 C 728]}, }