@book{157894,
	author = {National Research Council (U.S.). and ebrary, Inc.},
	title = {Reports of the panels},
	publisher = {National Academy Press,},
	year = {1983.},
	series = {Astronomy and astrophysics for the 1980's ;},
	address = {Washington, D.C. :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10062984}
}