@book{522485,
	author = {Leung, L.},
	title = {Leisure boredom, sensation seeking, self-esteem, addiction symptoms and patterns of mobile phone use},
	publisher = {International Communication Association},
	year = {2007},
	address = {Washington},
	url = {http://www.siis.net/documentos/Path/Leisure_boredom_sensation_seeking.pdf}
}