R101 (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "R101" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

2airshipsonline.com

low place

low place

1books.google.com

3^rd place

6^th place

1flightglobal.com

223^rd place

550^th place

airshipsonline.com (Global: low place; Portuguese: low place)

"R101 Certificate of Airworthiness, 2 October 1930." airshipsonline.com.
«R101 - the final trials and loss of the ship» (em inglês). Airship Heritage Trust. Consultado em 12 de maio de 2012

books.google.com (Global: 3^rd place; Portuguese: 6^th place)

"Keeping Pace With Aviation." Popular Science, Volume 116, Issue 1, 1930, p. 41. ISSN 0161-7370.

flightglobal.com (Global: 223^rd place; Portuguese: 550^th place)

«"The Loss of H.M. Airship R101"» (em inglês). Flight Newsletter. 10 de outubro de 1930. Consultado em 12 de maio de 2012