참고한 문헌

•Understanding the Oceans: A Century of Ocean Exploration. Routledge. 2001.

•J.D.Gage, P.A.Tyler. Deep-Sea Biology: A Natural History of Organisms at the Deep-Sea Floor. Cambridge University Press. 1991.

•영국 자연사박물관 http://www.nhm.ac.uk/nature-online/science-of-natural-history/expeditions-collecting/hms-challenger-expedition