@book{143750,
	author = {Campbell, David R. and Campbell, Mary V.},
	title = {Mastering WordPerfect 5.1 :},
	publisher = {Macmillan/McGraw-Hill,},
	year = {c1992.},
	address = {Lake Forest, Ill. :},
	note = {System requirements for computer disks (same software on both disks): PC; DOS; WordPerfect 5.1; floppy or hard disk system; printer.}
}