en.wikipedia.org/wiki/Ships_named_Nautiluswww.archive.org/details/20000LeaguesUndertheSeaen.wikipedia.org/wiki/Submarineen.wikipedia.org/wiki/Cornelius_Drebbelen.wikipedia.org/wiki/David_Bushnellhttp://www.nytimes.com/2007/08/04/arts/design/04voya.html?_r=1en.wikipedia.org/wiki/Robert_Fultonen.wikipedia.org/wiki/John_Philip_Hollanden.wikipedia.org/wiki/Submarine_snorkelarchive.org/details/atom_goes_to_seaen.wikipedia.org/wiki/Nuclear_marine_propulsionen.wikipedia.org/wiki/List_of_sunken_nuclear_submarinesen.wikipedia.org/wiki/Underwater_habitaten.wikipedia.org/wiki/SEALAB_%28US_Navy%29en.wikipedia.org/wiki/Tektite_habitaten.wikipedia.org/wiki/Aquarius_%28laboratory%29en.wikipedia.org/wiki/The_Abyssen.wikipedia.org/wiki/Timeline_of_underwater_technologystefanobarbaresi.blogspot.com
http://en.wikipedia.org/wiki/Dennis_Chamberland
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