@article{escidoc:0428,
  title = {{Magnetization study of nanograined pure and Mn-doped ZnO films: formation of a ferromagnetic grain-boundary foam}},
  journal = {{Physical Review B}},
  volume = {79},
  year = {2009},
  slug = {escidoc-0428},
  author = {Straumal, B. B. and Mazilkin, A. A. and Protasova, S. G. and Myatiev, A. A. and Straumal, P. B. and Sch\"utz, G. and van Aken, P. A. and Goering, E. and Baretzky, B.}
}