@misc{ChristlBruentrup1974,
  author    = {Christl, Manfred and Br{\"u}ntrup, Gisela},
  title     = {Neue Isomere des Cycloheptatriens: Tricyclo[4.1.0.0^(2,7)]hept-3-en und Tetracyclo[4.1.0.0^(2,4).0^(3,5)]heptan},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-41488},
  year      = {1974},
  abstract  = {No abstract available},
  language  = {de}
}
@misc{Ruhe1974,
  author    = {Ruhe, Ernstpeter},
  title     = {Jean Charles Payen: Le livre de philosophie et de moralit{\´e} d'Alard de Cambrai},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-38259},
  year      = {1974},
  abstract  = {No abstract available},
  language  = {de}
}