@book{BaumgaertelJurkeLledo1999,
  author    = {Hellmut Baumg{\"a}rtel and Matthias Jurke and Fernando Lled{\´o}},
  title     = {Twisted duality for the CAR-algebra},
  volume    = {401},
  url       = {http://www-sfb288.math.tu-berlin.de/Publications/Preprints.html},
  year      = {1999},
}