00288nam a2200121Ia 4500082001900000100002000019245006000039300001600099490001500115490001700130490001400147500000500161  a330.183 G626b  aGollnick, Heinz  aDemand structure and inventories on the butter marketb  app. 393-422  vv.25, no.3  aEconometrica  aJuly 1957  a