@book{192209,
	author = {Helzer, Chris, and ebrary, Inc.},
	title = {The ecology and management of prairies in the central United States},
	publisher = {Published for The Nature Conservancy by the University of Iowa Press,},
	year = {c2010.},
	series = {A Bur oak book},
	address = {Iowa City :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10397791}
}