@article{Hillen1981,
  author    = {Hillen, Walter},
  title     = {Search for new sequential leptons in e+e- annihilation at petra energies. TASSO Collaboration},
  series = {Physics Letters B. 99 (1981), H. 2},
  journal   = {Physics Letters B. 99 (1981), H. 2},
  isbn      = {0370-2693},
  pages     = {163 -- 168},
  year      = {1981},
  language  = {en}
}
@article{MuellerVeggianNeskakisLiederetal.1981,
  author    = {M{\"u}ller-Veggian, Mattea and Neskakis, A. and Lieder, R. M. and Beuscher, H.},
  title     = {Side-bands in ¹⁸⁰ Os},
  series = {International Conference Nuclear and Atomic Physics With Heay Ions : Bucharest, Romania, 9 - 12 June 1981 / European Physcial Society, Nuclear Physics Division ; The Central Institute of Physics, Romania. - (Europhysics Conference abstracts ; Vol. 5 C)},
  journal   = {International Conference Nuclear and Atomic Physics With Heay Ions : Bucharest, Romania, 9 - 12 June 1981 / European Physcial Society, Nuclear Physics Division ; The Central Institute of Physics, Romania. - (Europhysics Conference abstracts ; Vol. 5 C)},
  publisher = {EPS},
  address   = {[Petit-Lancy]},
  pages     = {79 -- 80},
  year      = {1981},
  language  = {en}
}
@article{MuellerVeggianLiederBochevetal.1981,
  author    = {M{\"u}ller-Veggian, Mattea and Lieder, R. M. and Bochev, B. and Kutsarova, T.},
  title     = {Study of a-induced non-equilibrium reactions with particle-y conincidences},
  series = {Physica scripta. 24 (1981), H. 1-2},
  journal   = {Physica scripta. 24 (1981), H. 1-2},
  isbn      = {0031-8949},
  pages     = {123},
  year      = {1981},
  language  = {en}
}
@article{MuellerVeggianKutsarovaBochevetal.1981,
  author    = {M{\"u}ller-Veggian, Mattea and Kutsarova, T. and Bochev, B. and Didelez, J. P.},
  title     = {Study of the mechanism of the (a,dxn) and (a,txn) reactions at Ea= 45 Mev},
  series = {Annual report 1980 / Kernforschungsanlage J{\"u}lich Institut f{\"u}r Kernphysik / Hrsg.: F. Gr{\"u}mmer. - (Spezielle Berichte der Kernforschungsanlage J{\"u}lich ; 99)},
  journal   = {Annual report 1980 / Kernforschungsanlage J{\"u}lich Institut f{\"u}r Kernphysik / Hrsg.: F. Gr{\"u}mmer. - (Spezielle Berichte der Kernforschungsanlage J{\"u}lich ; 99)},
  publisher = {Kernforschungsanlage},
  address   = {J{\"u}lich},
  pages     = {58},
  year      = {1981},
  language  = {en}
}
@article{SponagelAkbay1981,
  author    = {Sponagel, Stefan and Akbay, S.},
  title     = {{\"U}ber die Stabilit{\"a}t viskometrischer Str{\"o}mungen},
  series = {Rheologica acta. 20 (1981), H. 6},
  journal   = {Rheologica acta. 20 (1981), H. 6},
  isbn      = {0035-4511},
  pages     = {579 -- 590},
  year      = {1981},
  language  = {de}
}