@article{Hillen2006,
  author    = {Walter Hillen},
  title     = {Production and properties of the \&\#964;-lepton in e+e\&\#8722; annihilation at C.M. energies from 12 to 31.6 GeV. TASSO Collaboration},
  journal   = {Physics Letters B. 92 (1980), H. 1-2},
  pages     = {199 -- 205},
  year      = {2006},
}