@unpublished{SeehaferZienickeFeudel2007,
  author  = {Norbert Seehafer and Egbert Zienicke and Fred Feudel},
  title   = {Absence of magnetohydrodynamic activity in the voltage-driven sheet pinch},
  institution = {Institut f{\"u}r Physik und Astronomie},
  series    = {NLD Preprints},
  number    = {32},
  year    = {2007},
}