1.
2.
3.
4.
Wien [Austria] : MAN'Sche Verlags- und Universitätsbuchhandlung GmbH, 1973.
German | 6 AT |
5.
6.
[Place of publication not identified] : [publisher not identified], 1990.
German | 29 DE |
7.
[Place of publication not identified] : [publisher not identified], 1993.
German | 28 CH |
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9.