Books listed by ISBN
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American Philosophical Society
> Rolf Willach
Rolf Willach
title
ISBN-13
(ISBN-10)
year of publication
The Long Route to the Invention of the Telescope
978-1-6O618-985-6
(1-6O618-985-9)
2008
Ralf Woelk
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Ralf Wollowski
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Ralph Welge
·
Ralph Welsh
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Ralph Woolsey
Rolf Willaredt