David Warren (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "David Warren" in Simple English language version.

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91^st place

nytimes.com

"David Warren, Inventor of Flight Data Recorder, Dies at 85 - Obituary (Obit) - NYTimes.com". nytimes.com. Retrieved 6 December 2010.

smh.com.au

news.smh.com.au

"Black box inventor David Warren dies". smh.com.au. Retrieved 4 December 2010.