@book{321,
	author = {Tanenbaum, Andrew S., and Woodhull, Albert S.},
	title = {Operating systems :},
	publisher = {Pearson India Education Services,},
	year = {c2015},
	address = {Tamil Nadu : India},
	edition = {3rd ed.},
	note = {"The MINIX book"--Cover.},
	url = {http://digitool.hbz-nrw.de:1801/webclient/DeliveryManager?pid=2089288&custom_att_2=simple_viewer}
}