The technology factor in international trade / Edited by Raymond Vernon. Vernon, Raymond, 1913-1999, ed. Universities-National Bureau Committee for Economic Research. International trade Congresses. Technological innovations Congresses. HF56 1970 .T4 338.91 VET "A conference of the Universities-National Bureau Committee for Economic Research." Includes bibliographical references and index. New York : National Bureau of Economic Research; distributed by Columbia University Press, 1970. 1970. 1970 Text x, 493 p. ; eng Universities-National Bureau conference series, 22