@book{Giest2008,
  author    = {Giest, Hartmut},
  title     = {Editorial},
  issn      = {1865-4991},
  year      = {2008},
  language  = {de}
}
@book{Giest2008,
  author    = {Giest, Hartmut},
  title     = {Editorial},
  issn      = {1865-4991},
  year      = {2008},
  language  = {de}
}