@article {VanDover1993,
	title = {{Depths of ignorance}},
	journal = {Discover},
	volume = {14},
	number = {9},
	year = {1993},
	pages = {37{\textendash}39},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0274-7529},
	author = {Van Dover, C L}
}
