@unpublished{ScheelSeehafer2007,
  author  = {Stefan Scheel and Norbert Seehafer},
  title   = {Bifurcation to oscillations in three-dimensional Rayleigh-B{\´e}nard convection},
  institution = {Institut f{\"u}r Physik und Astronomie},
  series    = {NLD Preprints},
  number    = {39},
  year    = {2007},
}