@book {Kovacs2000,
	title = {{Dive to the deep ocean: Voyages of exploration and discovery}},
	year = {2000},
	pages = {64},
	publisher = {Raintree Steck-Vaughn},
	organization = {Raintree Steck-Vaughn},
	address = {Austin, Tex.},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	isbn = {0739812351},
	author = {Kovacs, D}
}
@book {Kovacs1987,
	title = {{A day underwater}},
	year = {1987},
	pages = {32},
	publisher = {Scholastic},
	organization = {Scholastic},
	address = {New York},
	isbn = {0-590-40746-5},
	author = {Kovacs, D}
}
