Kahnert, F. Aid tying and export of nitrogenous fertilisers from the Persian Gulf / F. Kahnert , D. Germidis & H. Stier - Paris : OECD , 1971 - 84p. : ill. ; 26 cm. - Technical papers . Includes bibliographical references and index. Subjects--Topical Terms: International tradeFertilizers Dewey Class. No.: 382.1 / KAH