@book{31358,
	author = {Wray, Robert D. and ebrary, Inc.},
	title = {Christmas trees for pleasure and profit},
	publisher = {Rutgers University Press,},
	year = {2009.},
	address = {New Brunswick, N.J. :},
	edition = {4th ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10256741}
}