@book{603,
	author = {Singhal, Mukesh. and Shivaratri, Niranjan G.},
	title = {Advanced concepts in operating systems :},
	publisher = {McGraw-Hill,},
	year = {c1994 [repriented 2005].},
	series = {McGraw-Hill series in computer science},
	address = {New York :},
	url = {http://www.loc.gov/catdir/description/mh022/93029812.html}
}