Davis Submerged Escape Apparatus (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Davis Submerged Escape Apparatus" in English language version.

refsWebsite

Global rank English rank

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low place

cyber-heritage.co.uk

"Thetis - close enough to touch". Cyberheritage. Archived from the original on 2006-10-05. Retrieved 2006-12-02.

Quick, D. (1970). "A History Of Closed Circuit Oxygen Underwater Breathing Apparatus". Royal Australian Navy, School of Underwater Medicine. RANSUM-1-70. Archived from the original on May 9, 2008. Retrieved 2009-03-16.
"Thetis - close enough to touch". Cyberheritage. Archived from the original on 2006-10-05. Retrieved 2006-12-02.
"The great escape". Divernet. Archived from the original on 2007-09-28. Retrieved 2006-12-02.