@book{10181,
	author = {Gordon, Robert B. and Koopmans, Tjalling C. | Nordhaus, William D. | Skinner, Brian J.},
	title = {Toward a New Iron Age?:},
	publisher = {Harvard},
	year = {1987},
	address = {United States of America},
	note = {Includes bibliographical references and index}
}