@book{164557,
	author = {Erickson, Fritz J. and Vonk, John A.},
	title = {Computers--concepts, implications, and applications with DOS 5.0, WordPerfect 5.1, Lotus 1-2-3, Release 2.4, and dBASE IV 1.5 /},
	publisher = {Business and Educational Technologies,},
	year = {1994.},
	address = {Dubuque:},
	note = {Includes index.}
}