00497nam a2200169Ia 4500008004100000082001700041100002600058245003200084250000600116260004300122300000800165650001400173650002000187942001200207999001500219952009300234170901s1963    xx            000 0 und d  a338.13bS38A  aShepherd, Geoffrey S. 0aAgricultural Price Analysis  a5  aUSAbIowa State University Pressc1972  a348  aEconomics  aSocial sciences  2ddccBK  c3180d3180  00102ddc4070aRAUbRAUd2017-10-18l0o338.13 S38Ap22132r2017-10-18w2017-10-18yBK