Hits 1-6 within 6 documents
Informationen zur Situation des Jugendarbeitsschutzes [research report]
Source: DJI Verl., 1969
(Forschungsbericht, 02/1969)
Hits 1-6 within 6 documents
Author(s): Lutz, Burkart; Kreuz, Dieter.- 1968. 171p.
Author(s): Behring, Karin; Lutz, Burkart.- 1969
Author(s): Lutz, Burkart; Seyfarth, Constans
Source: DJI Verl., 1969
(Forschungsbericht, 02/1969)
Author(s): Braun, Peter; Lutz, Burkart.- 1969. 122p.
Author(s): Rudolph, Hedwig.- 1969. IX, 146p.
Author(s): Braun, Peter; Lutz, Burkart.- 1969. X,146p.