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Books by Abbe, Ernst
Free eBooks since 1971.
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https://en.wikipedia.org/wiki/Ernst_Abbe
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https://de.wikipedia.org/wiki/Ernst_Abbe
See also: de.wikipedia
2025-11-16T17:57:36Z
https://book.klll.cc/ebooks/19755.opds
Gesammelte Abhandlungen III (German)
Ernst Abbe