Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Kirchner, Stefan; Oppen, Maria; Bellmann, Lutz.- 2008. 43p.
Author(s): Kirchner, Stefan; Oppen, Maria.- 2007. 50p.
Author(s): Oppen, Maria; Wegener, Alexander.- 1998. 26p.
Author(s): Oppen, Maria.- 1992. 87-119p.