Journal Article European Union Employment and Social Policy Survey 1998 Get access Catherine Barnard, Catherine Barnard Search for other works by this author on: Oxford Academic Google Scholar Tamara Hervey Tamara Hervey Search for other works by this author on: Oxford Academic Google Scholar Yearbook of European Law, Volume 18, Issue 1, 1998, Pages 613–657, https://doi.org/10.1093/yel/18.1.613 Published: 01 November 1998