About - Impressum

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This site is maintained by Ulrich Görtz. I am always grateful for feedback - if you have any comments or suggestions, please leave a comment or email me at ug@geometry.de

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Verantwortlich für den Inhalt dieser Seiten ist

Ulrich Görtz

Ardeystr. 5

45134 Essen


Email: ug@geometry.de

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