Nurkse, Ragnar, 1907-1959. Patterns of trade and development / Ragnar Nurkse. - New York : Oxford University Press, 1961. - 62 p.; 26 cm. - Wicksell lectures ; 1959 . No. 73614 publication by Blackwell. LCCN: 61-065559 Subjects--Topical Terms: Commerce. Dewey Class. No.: P 382 N87