@book{UBHD-1481772, author={Beethoven, Ludwig van}, title={Hefte 61 - 76}, publisher={Dt. Verl. f{\"u}r Musik}, address={Leipzig}, year={1974}, pages={451 S.}, language={ger}, library={UB [Signatur: 84 A 2403::6] ; MU [Signatur: D 1539 a]}, }