@Manual{ITKSoftwareGuideSecondEdition,
  Title          = {The {ITK} {S}oftware {G}uide},
  Author         = {Ibanez, L. and Schroeder, W. and Ng, L. and Cates, J.},
  Organization   = "Kitware, Inc. ISBN 1-930934-15-7",
  Address        = {http://www.itk.org/ItkSoftwareGuide.pdf},
  url            = {http://www.itk.org/ItkSoftwareGuide.pdf},
  Publisher      = {Kitware Inc.},
  Edition        = {Second},
  year           = 2005,
}

@manual{ITKSoftwareGuide,
  Title          = "The {ITK} {S}oftware {G}uide",
  Author         = "Ibanez, L. and Schroeder, W. and Ng, L. and Cates, J.",
  Organization   = "Kitware, Inc. ISBN 1-930934-10-6",
  Address        = "http://www.itk.org/ItkSoftwareGuide.pdf",
  url            = "http://www.itk.org/ItkSoftwareGuide.pdf",
  Publisher      = "Kitware Inc.",
  Edition        = "First",
  year           = 2003,
}