@book{57005,
	author = {Graham, Mary G. and ebrary, Inc. and Workshop on the Sleep Needs, Patterns, and Difficulties of Adolescents},
	title = {Sleep needs, patterns, and difficulties of adolescents},
	publisher = {National Academy Press,},
	year = {c2000.},
	address = {Washington, D.C. :},
	note = {"Board on Children, Youth, and Families, Commission on Behavioral and Social Sciences and Education, National Research Council and Institute of Medicine."},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10038683}
}