תוכנית מעבורות החלל (Hebrew Wikipedia)

Analysis of information sources in references of the Wikipedia article "תוכנית מעבורות החלל" in Hebrew language version.

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bbc.co.uk

Borenstein, Seth (July 5, 2011). "AP Science Writer" . הבוסטון גלוב. Associated Press. Retrieved July 5, 2011.

Comptroller General (1972). "Report to the Congress: Cost-Benefit Analylsis Used in Support of the Space Shuttle Program" United States General Accounting Office. Retrieved November 25, 2008.

Hepplewhite, T.A. The Space Shuttle Decision: NASA's Search for a Reusable Space Vehicle . Washington, DC: National Aeronautics and Space Administration, 1999.

Mike Wall published, NASA Unveils New Spaceship for Deep Space Exploration, Space.com, ‏2011-05-24 (באנגלית)
David, Leonard (February 11, 2005). "Total Tally of Shuttle Fleet Costs Exceed Initial Estimates" Retrieved August 6, 2006.
Berger, Brian (February 7, 2006). "NASA 2006 Budget Presented: Hubble, Nuclear Initiative Suffer" . Retrieved August 6, 2006.