@article{Ruiz-Gomez:75958,
      author        = "Ruiz-Gomez, S. and Foerster, M. and Aballe, L. and
                       Proenca, M.P. and Lucas, I. and Prieto, J.L. and
                       Mascaraque, A. and de la Figuera, J. and Quesada, A. and
                       Perez, L.",
      title         = "{Observation of a topologically protected state in a
                       magnetic domain wall stabilized by a ferromagnetic chemical
                       barrier}",
      year          = "2018",
}