@book{12048,
	author = {Field, Barry C. and Field, Martha K.},
	title = {Environmental economics :},
	publisher = {McGraw-Hill/Irwin,},
	year = {c2013.},
	series = { McGraw-Hill series economics.},
	address = {New York, NY :},
	edition = {6th ed.},
	note = {Includes index.}
}