1
Published: 1960-1981
2
Published: 1970-
3
Published: 1983-2012
4
Published: 1960-1972
5
Published: 1983-1994
6
Published: 1973-1982
7
Published: 1983-1995
8
Published: 1983-2004
9
Published: 1994-[2016?]
Links: Verlag; EZB
Access note: Frei zugänglich
10
Published: 1983-2002
11
Published: 1960-1982
12
Published: 1960-1982
13
Published: 1973-1982