@article {Heppenheimer1992,
	title = {{To the bottom of the sea}},
	journal = {American Heritage of Invention {\&} Technology},
	volume = {8},
	number = {1},
	year = {1992},
	pages = {28{\textendash}38},
	issn = {8756-7296},
	url = {http://www.americanheritage.com/articles/magazine/it/1992/1/1992{\_}1{\_}28.shtml},
	author = {Heppenheimer, T A}
}
