@article {journals/ipl/VakaliM97,
	title = {An Exact Analysis on Expected Seeks in Shadowed Disks},
	journal = {Inf. Process. Lett.},
	volume = {61},
	number = {6},
	year = {1997},
	pages = {323-329},
	author = {Athena Vakali and Manolopoulos, Yannis}
}