@techreport{widens1,
  author = {H. Aiache and J. M. Barcel{\'o} and C. Blondia and A. Boukalov and L. Cerd{\`a} and J. Delaigle and F. Filali and J. Garc{\'i}a and X. Gonzalez and G. Guibe and R. Guimaraes and J. Karvo and R. Knopp and E. Lara and N. Nikaein and S. Masson and J. Meessen and S. Mekrazi and V. Meril{\"a}inen and J. Morillo and A. Pascual and C. Parisot and A. P{\'e}rez-Neira and M. Realp and S. Romaszko and E. Santos and M. Voorhaen},
  editor = {M. Voorhaen, C. Blondia},
  title = {System specifications},
  institution = {FP6 Widens project},
  year = {2004},
  number = {D2.2},
  month = {Aug.},
}