@book{ 0-1105459292, title = {Spanische Übungsgrammatik für Anfänger}, author = {Beitscher, Gina and Domínguez, José María and Valle, Miguel}, address = {Berlin}, publisher = {Erich Schmidt}, year = {1993}, isbn = {3503030573}, language = {German}, language = {Spanish}, url = {https://katalog.bibliothek.tu-chemnitz.de/Record/0-1105459292} }