スペースペン (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "スペースペン" in Japanese language version.

refsWebsite

Global rank Japanese rank

low place

low place

75^th place

171^st place

6,119^th place

8,042^nd place

low place

low place

ha.com

historical.ha.com

“Gene Cernan's Apollo 17 Lunar Module Flown Fisher AG-7 Space Pen... (Total: 1 Items) Transportation: Space Exploration”. Historical.ha.com (2008年3月24日). 2010年9月14日閲覧。

nasa.gov

history.nasa.gov

Steve Garber (2010年5月28日). “The Fisher Space Pen”. NASA History Division. 2013年8月9日閲覧。

physics.org

“Is it true that NASA spent thousands of dollars developing a space pen, whereas the Russians just took a pencil?”. physics.org. 2 November 2012閲覧。

sciam.com

Ciara Curtin (2006年12月20日). “Fact or Fiction?: NASA Spent Millions to Develop a Pen that Would Write in Space, whereas the Soviet Cosmonauts Used a Pencil”. Scientific American