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WikiPedia: Vật_dị_thường_biển_Baltic http://news.discovery.com/space/deep-ocean-mystery... http://science.howstuffworks.com/environmental/ear... http://www.msnbc.msn.com/id/46226992/ns/technology... http://www.popularmechanics.com/space/a12422/under... http://www.popularmechanics.com/technology/aviatio... http://www.snopes.com/photos/supernatural/balticuf... http://www.expressen.se/nyheter/sa-ser-den-mystisk... http://www.expressen.se/nyheter/trappa-senaste-fyn... http://www.oceanexplorer.se/about-x-team/ https://www.livescience.com/22846-mysterious-balti...