Depressão Challenger (Portuguese Wikipedia)

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

refsWebsite

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13^th place

archive.org

Piccard, Auguste (1956). Earth, sky, and sea. MBLWHOI Library. [S.l.]: New York, Oxford University Press

bbc.co.uk

news.bbc.co.uk

Robot sub reaches deepest ocean. BBC News, acessado em 4 de junho de 2009. Em inglês.