@book{224,
	author = {Poston, Karl T.  and Poston, Karl T.},
	title = {Environmental services and agriculture /},
	publisher = {Nova Science Publishers,},
	year = {c2009.},
	series = {Agriculture issues and policies series},
	address = {New York :},
	note = {"This is an edited, excerpted and augmented edition of a United States Department of Agriculture publication."--p. [vii].}
}