კრისტიან ჰიუგენსი (Georgian Wikipedia)

"Christiaan Huygens." Encyclopedia of World Biography. 2004. Encyclopedia.com. (14 December 2012).http://www.encyclopedia.com/doc/1G2-3404703173.html
Huygens, Christiaan (Also Huyghens, Christian)." Complete Dictionary of Scientific Biography. 2008. Encyclopedia.com. (14 December 2012).http://www.encyclopedia.com/doc/1G2-2830902105.html

entoen.nu (Global: low place; Georgian: 3,033^rd place)

entoen.nu: Christiaan Huygens 1629–1695 Science in the Golden Age

findagrave.com (Global: 601^st place; Georgian: 2,024^th place)

Find a Grave — 1996.
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google.ge (Global: low place; Georgian: 61^st place)

books.google.ge

C. D. Andriesse (25 August 2005).Huygens: The Man Behind the Principle. Cambridge University Press. pp. 80–.ISBN 978-0-521-85090-2. Retrieved 23 April 2013.

saburchill.com (Global: low place; Georgian: low place)

http://www.saburchill.com/HOS/astronomy/016.html დაარქივებული 2017-06-13 საიტზე Wayback Machine. http://www.saburchill.com/HOS/astronomy/016.html დაარქივებული 2017-06-13 საიტზე Wayback Machine.

web.archive.org (Global: 1^st place; Georgian: 1^st place)

http://www.saburchill.com/HOS/astronomy/016.html დაარქივებული 2017-06-13 საიტზე Wayback Machine. http://www.saburchill.com/HOS/astronomy/016.html დაარქივებული 2017-06-13 საიტზე Wayback Machine.

wikidata.org (Global: 43^rd place; Georgian: low place)

Deutsche Nationalbibliothek Record #118639749 // ინტეგრირებული ნორმატიული ფაილი — 2012—2016.
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MacTutor History of Mathematics archive — 1994.
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wikipedia.org (Global: low place; Georgian: low place)

კრისტიან ჰიუგენსი (Georgian Wikipedia)

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entoen.nu (Global: low place; Georgian: 3,033rd place)

findagrave.com (Global: 601st place; Georgian: 2,024th place)

google.ge (Global: low place; Georgian: 61st place)

books.google.ge

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brockhaus.de (Global: 1,322^nd place; Georgian: low place)

d-nb.info (Global: 511^th place; Georgian: 5,998^th place)

enciclopedia.cat (Global: 1,148^th place; Georgian: 4,168^th place)

encyclopedia.com (Global: 462^nd place; Georgian: 695^th place)

entoen.nu (Global: low place; Georgian: 3,033^rd place)

findagrave.com (Global: 601^st place; Georgian: 2,024^th place)

google.ge (Global: low place; Georgian: 61^st place)

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