@article{articled2034451,
title   = {Experimental evidence of surface effects in the magnetic dynamics behavior of ferrite nanoparticles},
author = {Sousa, E C and Alves, C R and Aquino, R and Sousa, M H and Goya, Gerardo Fabían and Rechenberg, Hercilio Rodolfo and Tourinho, F A and Depeyrot, J},
year = {2005},
doi = {10.1016/j.jmmm.2004.11.035},
journal   = {Journal of Magnetism and Magnetic Materials}
}