@book{254340,
	author = {United States.},
	title = {Sciencecasts.},
	publisher = {National Aeronautics and Space Administration},
	address = {[Washington, D.C.] :},
	note = {Video files available as streaming files from YouTube and Vimeo; also available as downloadable files in M4V format.},
	url = {http://purl.fdlp.gov/GPO/gpo70950}
}