Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Wirth, Heike; Lüttinger, Paul.- 1998. 27,9p.
Author(s): Blossfeld, Hans-Peter; Drobnic, Sonja; Rohwer, Götz.- 1996. 44p.
Author(s): Dathe, Dietmar.- 1999. 149-170p.
Author(s): Eggen, Bernd.- 1999. 171-187p.