@article {Pritzlaff1964,
	title = {{Manned submersibles of the world}},
	journal = {Undersea Technology},
	volume = {5},
	number = {8},
	year = {1964},
	pages = {20{\textendash}26},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0041-6533},
	author = {Pritzlaff, J A and Munske, R E}
}
