@article{Coffey:32191,
      author        = "Coffey, David and Díez-Ferrer, José Luis and Serrate,
                       David and Ciria, Miguel and de la Fuente, César and
                       Arnaudas, José Ignacio",
      title         = "{Antiferromagnetic Spin Coupling between Rare Earth
                       Adatoms and Iron Islands Probed by Spin-Polarized
                       Tunneling}",
      year          = "2015",
}