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| Helmut Sinor (1983). Self-portrait, using a timer.| Eigenes Werk| Helmut Sinor| [{Image src='https://www.austria-forum.org/cc/images/slim/by.png' alt='CC BY 4.0' align='center' link='https://www.austria-forum.org/cc/by-40.html' target='_blank'}]| Datei:Helmut Sinor (1983).jpg
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