Norton Roger Model of agricultural production and trade - New York Internation Bank for Reconstruction a and Development 1978 - 86p. Bib p.83-86 cm. - "World Bank Staff Working Paper , 276" . Standard No.: 95163 Source: Reference Collections Subjects--Topical Terms: Agricultural Industry Dewey Class. No.: "X9(J):2.75.N7, L8/UN"