@article {Ballard2001,
	title = {{Deep Black Sea}},
	journal = {National Geographic Magazine},
	volume = {199},
	number = {5},
	year = {2001},
	pages = {52{\textendash}69},
	keywords = {ROV DSL-120 (Remotely Operated Vehicle)},
	issn = {0027-9358},
	author = {Ballard, R D}
}
