@book{7247,
	author = {Robbins, Judd},
	title = {Mastering DOS: the complete tutorial and up to date user's guide },
	publisher = {Sybex,},
	year = {1989.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B005AZ1OIM/chopaconline-20}
}