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Zurich : Schulthess Polygraphischer Verlag, Septembert 2007.
Danish | CH 28 2007 no 9 |
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Zurich : Schulthess Polygraphischer Verlag, September 2007.
German | CH 28 2007 no 9 |
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Zurich : Schulthess Polygraphischer Verlag, July/August 2007.
German | CH 28 2007 no 7/8 |
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Bern : Stämpfli, 2001.
German | F 637 LEG.E |
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Zurich : Schulthess Polygraphischer Verlag, July/August 2007.
English | CH 28 2007 no 7/8 |
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Zurich : Editions Weka, 1991-
French | A 9 ZIM.G |
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Zurich : Schulthess, 1989. Second edition.
German | F 44 THO.I |
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Basel : Helbing & Lichtenhahn, c2000.
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[Place of publication not identified] : [Österreichisches Patentamt], 1979. Third edition.
German | G 132 INT(B) |
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Fribourg, Switzerland : University Press, 1990.
English | F 630 LIB |
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