WIERER, K. Fertiizer marketing /by K.Wierer, J.C.Abbott - Rome Food and Agriculture Organization of the United Nations 1978 - xv, 156 p. - FAO Economic and Social Development series; no. 12. . Includes index. ISBN: 9251001138 Subjects--Topical Terms: Economic development Dewey Class. No.: 338.4766862 / WIE