@article{Hartwig2005,
  author    = {Hartwig, S.},
  title     = {Schizophrenic lightness of being : the theater of Rodrigo Garcia},
  issn      = {0097-8663},
  year      = {2005},
  language  = {en}
}
@article{Hartwig2004,
  author    = {Hartwig, S.},
  title     = {Saving memory? Media, commemoration and memory from a system-theoretical perspective},
  issn      = {0019-0993},
  year      = {2004},
  language  = {en}
}