@book{43064,
	author = {Locklin, D. Philip},
	title = {Economics of Transportation /},
	publisher = {R. D. Irwin,},
	year = {c1960 [Printing 1963].},
	series = {The Irwin series in economics},
	address = {Homewood; Ill. :},
	edition = {5th ed.}
}