Vieth, Thomas Wer? Wie? Was? : 3 : Schülerarbeitsheft 2 / von Thomas Vieth. - Warszawa : Warszawski dom wydawniczy, 1993. - 138 S. : Ill. ; 30 cm. ISBN: 8385558985 Subjects--Topical Terms: German language--Grammar--ExercisesGerman language--Textbooks for foreign speakers