Hits 31-33 within 33 documents
Hits 31-33 within 33 documents
Author(s): Gangl, Markus.- 1997. 31p.
Author(s): Mayerhofer, Sybille; Ludwig-Mayerhofer, Wolfgang.- 1994. 56p.
Author(s): Cramm, Cathleen; Blossfeld, Hans-Peter; Drobnic, Sonja.- 1998. 26p.