Bell HSL (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bell HSL" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

1flightglobal.com

223^rd place

162^nd place

5^th place

5^th place

books.google.com

Hearst Magazines (August 1953). "Navy's Most Powerful Helicopter to Hunt Submarines". Popular Mechanics. Hearst Magazines. p. 121.

flightglobal.com

"Flight 1956 pg.518". flightglobal.com. Retrieved 18 October 2014.

worldcat.org

Pelletier, Alain J. (1992). Bell Aircraft since 1935 (1st ed.). London: Putnam & Company Ltd. pp. 100–102. ISBN 1-55750-056--8. OCLC 25625769.