00341nam a2200133Ia 4500008004100000082001700041100002600058245003200084250000600116260004300122300000800165650001400173650002000187170901s1963    xx            000 0 und d  a338.13bS38A  aShepherd, Geoffrey S. 0aAgricultural Price Analysis  a5  aUSAbIowa State University Pressc1972  a348  aEconomics  aSocial sciences