@book{17492,
	author = {West, Krista and Franklin Institute (Philadelphia, Pa.)},
	title = {Layers of the earth},
	publisher = {Chelsea House,},
	year = {c2008},
	series = {The restless earth},
	address = {New York :},
	note = {"In consultation with The Franklin Institute"--Cover},
	url = {http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=272764}
}