X-33 (航空機) (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "X-33 (航空機)" in Japanese language version.

refsWebsite

Global rank Japanese rank

75^th place

171^st place

439^th place

710^th place

1nasaspaceflight.com

2,428^th place

4,695^th place

af.mil

wpafb.af.mil

“X-33 Launch Complex (Area 1-54)” (PDF). USAF. 2011年3月6日閲覧。

nasa.gov

“X-33 Advanced Technology Demonstrator”. Marshall Space Flight Center Archived Historical Fact Sheets. NASA. 2012年6月3日閲覧。

nasaspaceflight.com

Bergin, Chris (January 4, 2006). “X-33/VentureStar - What really happened”. NASASpaceFlight.com. 2011年3月6日閲覧。