@book{BaumgaertelJurkeLledo1994,
  author    = {Hellmut Baumg{\"a}rtel and Matthias Jurke and Fernando Lled{\´o}},
  title     = {A remark on covariant and causal nets of CAR-resp.CCR-type local algebras assigned to the irreducible unitary representation of the poincare group labeled by (m>0, s, +)},
  volume    = {120},
  year      = {1994},
}