Space Exploration Initiative (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Space Exploration Initiative" in English language version.

refsWebsite

Global rank English rank

75^th place

83^rd place

2web.archive.org

1^st place

1^st place

1,672^nd place

1,262^nd place

7^th place

7^th place

18^th place

17^th place

1spaceflighthistory.blogspot.com

low place

low place

harvard.edu

adsabs.harvard.edu

Weaver, Dave. Artemis program: Rover/Mobility Systems Workshop results. Third SEI Technical Interchange: Proceedings p 49-57 (SEE N92-33309 24-12)

nasa.gov

hq.nasa.gov

""Presidential Directive on National Space Policy," January 5, 1988 -- Fact sheet". NASA. February 11, 1988. Archived from the original on January 14, 2009.
"Fact Sheet -- National Space Policy". National Science and Technology Council. September 19, 1996. Archived from the original on January 14, 2009.

history.nasa.gov

"Report of the 90-Day Study on Human Exploration of the Moon and Mars" (PDF). NASA. November 1989.
Steve Dick. "Summary of Space Exploration Initiative". NASA.

nytimes.com

Weinraub, Bernard (21 July 1989). "President Calls for Mars Mission and a Moon Base". The New York Times.

spaceflighthistory.blogspot.com

Portree, David S. F. "DSFP's Spaceflight History: SEI Swan Song: International Lunar Resources Exploration Concept (1993)". DSFP's Spaceflight History. Retrieved 2020-01-09.

tamu.edu

bushlibrary.tamu.edu

"Remarks on the 20th Anniversary of the Apollo 11 Moon Landing". The George Bush Presidential Library. 1989-07-20.

web.archive.org

""Presidential Directive on National Space Policy," January 5, 1988 -- Fact sheet". NASA. February 11, 1988. Archived from the original on January 14, 2009.
"Fact Sheet -- National Space Policy". National Science and Technology Council. September 19, 1996. Archived from the original on January 14, 2009.