Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Blossfeld, Hans-Peter; Nuthmann, Reinhard
Source: Seismo Verl., 1989
Author(s): Kellermann, Paul.- 1981. 372-377p.
Author(s): Papastefanou, Georgios
Source: Westdt. Verl., 1987
Author(s): Habich, Roland.- 1985. 397-405p.