@article{Schaefer2006,
  author    = {Horst Sch{\"a}fer},
  title     = {Calculation of the surface stray field and the demagnetizing field of a g.o. 3\% SiFe sheet caused by a misoriented grain},
  journal   = {Physica Scripta. 39 (1989), H. 4},
  pages     = {531 -- 534},
  year      = {2006},
}