@book{3584,
	author = {Field, Barry C. and Field, Martha K.},
	title = {Environmental economics /},
	publisher = {McGraw-Hill/Irwin,},
	year = {c2011.},
	address = {New York, NY :},
	edition = {3rd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1215/2012020876-d.html}
}