Клайд Томбо (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Клайд Томбо" in Bulgarian language version.

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1books.google.com

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archive.org

Tombaugh, Clyde и др. Out of the Darkness: The Planet Pluto. Harrisburg, PA, Stackpole Books, 1980. ISBN 0811711633. с. 17. „I was born on a farm near Streator, Illinois, on 4 February 1906.“

books.google.com

Levy, David. David Levy's guide to observing and discovering comets. Cambridge University Press, 2003. ISBN 0521520517.

ctv.ca

Associated Press. Pluto Discoverer Saw It Coming, Says His Widow // CTV, 25 август 2006. Архивиран от оригинала на 2006-08-30. Посетен на 28 февруари 2007.

nasa.gov

ssd.jpl.nasa.gov

HORIZONS Web-Interface // JPL Solar System Dynamics. Посетен на 1 юли 2008.

unipi.it

hamilton.dm.unipi.it

(1604) Tombaugh // Asteroid Dynamic Site. Посетен на 28 февруари 2007.

web.archive.org

Associated Press. Pluto Discoverer Saw It Coming, Says His Widow // CTV, 25 август 2006. Архивиран от оригинала на 2006-08-30. Посетен на 28 февруари 2007.