@book{174647,
	author = {National Research Council (U.S.). and ebrary, Inc.},
	title = {The exploration of near-earth objects},
	publisher = {National Academy Press,},
	year = {1998.},
	series = {The compass series},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10041163}
}