Hits 11-14 within 14 documents
Hits 11-14 within 14 documents
Author(s): Porst, Rolf; Prüfer, Peter; Wiedenbeck, Michael; Zeifang, Klaus.- 1985. 54,2p.
Author(s): Porst, Rolf; Schneid, Michael.- 1988. 45p.
Author(s): Porst, Rolf.- 1993. 32p.
Author(s): Prüfer, Peter; Porst, Rolf.- 2007. 37p.