@phdthesis{Kreisel2011,
  author      = {Andreas Kreisel},
  title       = {Spin-wave calculations for Heisenberg magnets with reduced symmetry},
  type        = {doctoralthesis},
  pages       = {189 S.},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2011},
}