1
by Lang-von Wins, Thomas
Published 2004
Springer Berlin Heidelberg

2
by Moede, Walther
Published 1919
Springer Berlin Heidelberg

3
by Frenz, Gustav
Published 1920
Springer Berlin Heidelberg

4
by Watts, Frank
Published 1922
Springer Berlin Heidelberg

5
by Lippmann, Eric
Published 2004
Springer Berlin Heidelberg

6
by Fischer, Ludwig
Published 1923
Springer Berlin Heidelberg

7
by Lossagk, Helmut
Published 1928
Springer Berlin Heidelberg

8
by Bornemann, Ernst
Published 1967
Gabler Verlag

9
by Maslach, Christina, Leiter, Michael P.
Published 2001
Springer Vienna

10
by Petzold, Hilarion G., Schigl, Brigitte, Fischer, Martin, Höfner, Claudia
Published 2003
VS Verlag für Sozialwissenschaften

11
by Cauer, Margarete
Published 1924
Springer Berlin Heidelberg

12
by Klockenberg, Erich A.
Published 1924
Springer Berlin Heidelberg

13
by Rzepka-Meyer, Ursula
Published 1997
Deutscher Universitätsverlag