@misc{Brachvogel_Albert_Emil_(1824-1878)._Autor_Friedemann, author={Brachvogel, Albert Emil (1824-1878). Autor}, howpublished={online}, publisher={Th. Knaur Nachf}, language={ger}, type={książka}, title={Friedemann Bach.}, keywords={Bach, Wilhelm Friedemann (1710-1784)}, }