Hits 11-20 within 21 documents
Hits 11-20 within 21 documents
Author(s): Klein, Sabine; Porst, Rolf.- 2000. 36p.
Author(s): Porst, Rolf; Rauh, Stefanie; Luthringshauser, Meike.- 2011. 44p.
Author(s): Porst, Rolf.- 1983. 37p.
Author(s): Brückner, Erika; Kirschner, Hans-Peter; Porst, Rolf; Prüfer, Peter; Schmidt, Peter.- 1982. 40p.
Author(s): Porst, Rolf.- 1996. 50p.
Author(s): Hagstotz, Werner; Kirschner, Hans-Peter; Porst, Rolf; Prüfer, Peter.- 1983. 37p.
Author(s): Porst, Rolf; Schneid, Michael.- 1988. 45p.
Author(s): Porst, Rolf.- 1993. 32p.
Author(s): Porst, Rolf; Briel, Christa von.- 1995. 17p.
Author(s): Porst, Rolf; Prüfer, Peter.- 2009. 57p.