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| Vienna Institute of Demography in Wien 2| Eigenes Werk| Gugerell| [{Image src='https://www.austria-forum.org/cc/images/slim/cc-zero.png' alt='CC0' align='center' link='https://www.austria-forum.org/cc/cc0-10.html' target='_blank'}]| Datei:Wien 02 Vienna Institute of Demography a.jpg
| Vienna Institute of Demography in Wien 2| Eigenes Werk| Gugerell| [{Image src='https://www.austria-forum.org/cc/images/slim/cc-zero.png' alt='CC0' align='center' link='https://www.austria-forum.org/cc/cc0-10.html' target='_blank'}]| Datei:Wien 02 Vienna Institute of Demography b.jpg
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