Hits 1-3 within 3 documents
Hits 1-3 within 3 documents
Author(s): Blossfeld, Hans-Peter; Drobnic, Sonja; Rohwer, Götz.- 1996. 44p.
Author(s): Heinz, Walter R.; Krüger, Helga; Bittscheid-Peters, Dorothee; Heuberger, Hans; Petschko, Renate; Rettke, Ursula; Rudel, Kurt; Wachtveitl, Erich; Witzel, Andreas.- 1981. 1022-1027p.
Author(s): Bohrhardt, Ralf; Leibfried, Stephan.- 1999. 38p.