@phdthesis{Scherfenberg2012,
  author    = {Scherfenberg, Ivonne},
  title     = {A logic-based Framwork to enable Attribute Assurance for Digital Identities in Service-oriented Architectures and the Web},
  address   = {Potsdam},
  pages     = {126 S.},
  year      = {2012},
  language  = {en}
}