Vika酸素発生器 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Vika酸素発生器" in Japanese language version.

refsWebsite

Global rank Japanese rank

75^th place

171^st place

1books.google.com

3^rd place

61^st place

1molecularproducts.com

low place

low place

books.google.com

David M. Harland (2004). The Story of the Space Shuttle. Springer Science & Business Media. p. 270. ISBN 978-1-85233-793-3

molecularproducts.com

Oxygen Generators

nasa.gov

Kerry Ellis - International Life Support - Ask Magazine