1
published 2010
Journal
2
published 2008
Journal Zeitschrift
3
published 1992
Journal
4
published 1991
Journal
5
published 1987
Journal
6
published 1981
Journal Zeitschrift
7
published 1980
Journal
8
published 1979
Journal Zeitschrift
9
published 1973
Journal Zeitschrift
10
published 1960
Journal Zeitschrift
11
published 1960
Journal
12
published 1953
Journal Zeitschrift
13
published 1922
Journal
14
published 1900
Journal
15
published 1898
Journal
16
17
published 1893
Journal Zeitschrift
18
published 1887
Journal