1
Published: 1975
Superior document: Daten, Dienste, Dokumente 1
2
Published: 1979
3
Published: 1971-1991
4
Published: 1980
5
Published: [1983]
6
Published: 1991
7
Published: 1981
8
Published: 1972
9
Published: 1975
10
Published: 1977
11
Published: 1978
Superior document: Daten, Dienste, Dokumente 3
12
Published: 1978
Superior document: Daten, Dienste, Dokumente 2
13
Published: 1975;, 1975-1983
14
Published: 1983-1983
15
Published: [ca., 1975]
16
Published: 1974
17
Published: 1982
18
Published: 1976
19
Published: März, 1988
20
Published: 1980