@book {953,
	title = {Operating system MCA 404, for Panjab Technical University},
	year = {2009},
	publisher = { ISBN 978-81-259-3221-5 Vikas Publishers},
	organization = { ISBN 978-81-259-3221-5 Vikas Publishers},
	address = {New Delhi},
	author = {V. K. Govindan}
}
