Jürgen Hamel
![Archenhold-SternwarteHauptwirkungsstätte von Jürgen Hamel](https://upload.wikimedia.org/wikipedia/commons/f/fa/Berlin_Treptow_Archenhold_Sternwarte_2.jpg)
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1by Kopernikus, NikolausOther Authors: “…Hamel, Jürgen…”
Published 2008
Classmark: NA 0F */Ost -300Inhaltsverzeichnis
Book -
2by Humboldt, Alexander vonOther Authors: “…Hamel, Jürgen…”
Published 2004
Classmark: NA 0C Humb 3 *Hum/Kos,2Book