%0 Journal Article %T The Dsu Article 3.8 Presumption that an Infringement Constitutes a Prima Facie Case of Nullification or Impairment: When Does it Operate and Why? %A Davies, Arwel %J Journal of International Economic Law %V 13 %N 1 %P 181-204 %@ 1369-3034 %D 2010-03-25 %I Oxford University Press %~ DeepDyve