@book{UBHD-3480545, author={Apfel, Ernst}, publisher={Musikwiss. Inst. d. Univ. d. Saarlandes}, address={Saarbr{\"u}cken}, year={1985}, pages={S. 681 - 1004}, language={ger}, library={UB [Signatur: 85 A 11102::3] ; MU [Signatur: G 288 a]}, }