@book{355842,
	author = {Eisenbud, Merril. and Gesell, Thomas F.},
	title = {Environmental radioactivity},
	publisher = {Academic Press,},
	year = {c1997.},
	address = {San Diego :},
	edition = {4th ed.},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio9480666}
}