Ewald, Ursula Recent developments of the world fertilizer market; a statistical analysis. [Translated by Anne Baade and Armin Grünewald] - Kiel, University of Kiel Institute for World Economics , 1957 - ix, 227p. ill. ; 24 cm. Bibliography: p. 220-227. Subjects--Topical Terms: Fertilizer industry Gov. Doc. Class. No.: DE Kie.U IW Rec