21
Published: 1982
22
Published: 1977
23
Published: [1983]
24
Published: 1971
25
Published: 1975
26
Published: 1983
27
Published: 1984
28
Published: 1974
29
Published: 1981
30
Published: [1983]
31
Published: 1987
32
Published: 1975
33
Published: 1984
34
Published: 1976
35
Published: 1988
36
Published: 1991
Superior document: Materialien zur Hochschulreform 1
37
Published: 1981-1989
38
Published: 1997-
39
Published: 1975-
40
Published: 1978
Superior document: Daten, Dienste, Dokumente 3