David M. Walker (astronaut) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "David M. Walker (astronaut)" in English language version.

refsWebsite

Global rank English rank

1web.archive.org

1^st place

1^st place

low place

9,319^th place

1spaceflightnow.com

2,930^th place

2,204^th place

28^th place

26^th place

cnn.com

Shuttle astronaut taken off crew for ISS mission by Miles O'Brien, CNN (September 8, 1999)

scouting.org

"David M. Walker at scouting.org" (PDF). Archived from the original (PDF) on June 22, 2011. Retrieved May 1, 2015.

spaceflightnow.com

William Harwood: STS-133 Shuttle Report - Injured astronaut replaced on shuttle Discovery's crew, Spaceflight Now, January 19, 2011

web.archive.org

"David M. Walker at scouting.org" (PDF). Archived from the original (PDF) on June 22, 2011. Retrieved May 1, 2015.