Hits 31-40 within 42 documents
Hits 31-40 within 42 documents
Author(s): Hagstotz, Werner; Kirschner, Hans-Peter; Porst, Rolf; Prüfer, Peter.- 1983. 37p.
Author(s): Braun, Michael; Porst, Rolf.- 1987. 79p.
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.
Author(s): Prüfer, Peter; Porst, Rolf.- 2008. 37p.
Author(s): Prüfer, Peter; Porst, Rolf.- 2010. 41p.
Author(s): Porst, Rolf; Lenzner, Timo; Neuert, Cornelia.- 2012. 81p.
Author(s): Prüfer, Peter; Porst, Rolf.- 2007. 37p.