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Apollo 9 (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Apollo 9" in Simple English language version.

refsWebsite
Global rank Simple English rank
2nasa.gov
75th place
30th place
1loc.gov
70th place
83rd place
1planet4589.org
8,665th place
6,145th place

loc.gov

lccn.loc.gov

  • Orloff, Richard W. (September 2004) [First published 2000]. "Table of Contents". Apollo by the Numbers: A Statistical Reference. NASA History Series. Washington, D.C.: NASA. ISBN 0-16-050631-X. LCCN 00061677. NASA SP-2000-4029. Retrieved June 27, 2013. {{cite book}}: |work= ignored (help)

nasa.gov

history.nasa.gov

  • Orloff, Richard W. (September 2004) [First published 2000]. "Table of Contents". Apollo by the Numbers: A Statistical Reference. NASA History Series. Washington, D.C.: NASA. ISBN 0-16-050631-X. LCCN 00061677. NASA SP-2000-4029. Retrieved June 27, 2013. {{cite book}}: |work= ignored (help)

nasa.gov

planet4589.org

  • McDowell, Jonathan. "SATCAT". Jonathan's Space Pages. Retrieved March 23, 2014.