@article{Silva:132258,
      author        = "Silva, N. J. O. and Amaral,V. S. and Urtizberea,A. and
                       Bustamante,R. and Millán,A. and Palacio,F. and Kampert,E.
                       and Zeitler,U. and De Brion,S. and Iglesias,A. A. and
                       Labarta,A.",
      title         = "{Shifted loops and coercivity from field-imprinted
                       high-energy barriers in ferritin and ferrihydrite
                       nanoparticles}",
      year          = "2011",
}