@misc{SiepmannSalzbergLudwig2004,
  author    = {Siepmann, Gerda and Salzberg-Ludwig, Karin},
  title     = {Research project to the subject},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-6502},
  year      = {2004},
  language  = {en}
}