Christopher Ferguson (Estonian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Christopher Ferguson" in Estonian language version.

refsWebsite
Global rank Estonian rank
75th place
59th place
2,930th place
2,549th place

nasa.gov

  • "Christopher J. Ferguson (Captain, USN, RET.) NASA Astronaut (FORMER)" (PDF). NASA. Vaadatud 8. august 2018.
  • "NASA Assigns First Crews to Fly Commercial Spacecraft". NASA. Vaadatud 8. august 2018.

spaceflightnow.com