ვაკუუმი (Georgian Wikipedia)

Analysis of information sources in references of the Wikipedia article "ვაკუუმი" in Georgian language version.

refsWebsite

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1books.google.com

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books.google.com

How to Make an Experimental Geissler Tube, Popular Science monthly, February 1919, Unnumbered page, Scanned by Google Books: http://books.google.com/books?id=7igDAAAAMBAJ&pg=PT3

worldcat.org

Chambers, Austin (2004). Modern Vacuum Physics. Boca Raton: CRC Press. ISBN 0-8493-2438-6. OCLC 55000526.