Olsen Erling International trade theory and regional income dif Olsen Erling - Amsterdam North Holland 1971 - xv, 221p. cm. - Contributions to Economic Analysis Ed by J Tinbergen, and others. 70 . Apendices: p 185-218 ISBN: 0 7204 31700 Source: General Book Subjects--Topical Terms: EconomicsInternational Trade Dewey Class. No.: X:54.73.N50<--M80, L1