@article{Klein2000,
  author    = {Klein, Eckart},
  title     = {The duty to protect and to ensure human rights under the international covenant on civil and political rights},
  isbn      = {3-8305-0014-9},
  year      = {2000},
  language  = {en}
}
@article{Klein2000,
  author    = {Klein, Eckart},
  title     = {Should the binding effect of the judgements of the European Court of Human Rights be extended?},
  isbn      = {3-452-24253-6},
  year      = {2000},
  language  = {en}
}