Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Prüfer, Peter; Rexroth, Margrit.- 2000. 21p.
Author(s): Brückner, Erika; Kirschner, Hans-Peter; Porst, Rolf; Prüfer, Peter; Schmidt, Peter.- 1982. 40p.
Author(s): Prüfer, Peter; Rexroth, Margrit.- 2004. 52-59p.
Author(s): Porst, Rolf; Prüfer, Peter.- 2009. 57p.