@book{44237,
	author = {National Research Council (U.S.).},
	title = {Physics of the earth.},
	publisher = {National Research Council of the National Academy of Sciences,},
	year = {[1931]},
	series = {Bulletin of the National Research Council ;},
	address = {Washington :},
	note = {At head of title: Bulletin of the National Research Council, no. 78, February 1931.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10072024}
}