@article{articlee176f62c,
title   = {Use of the photoacoustic spectroscopy for surface characterization of nanometer-sized cobalt-ferrite particles},
author = {Morais, P. C. and Silveira, L. B. and Santos, J. G. and Oliveira, A. C. and Tronconi, A. L. and Santos, R. L. and Lima, E. C. D. and Marchetti, Juliana Maldonado and Tedesco, Antônio Cláudio},
year = {2005},
doi = {10.1109/intmag.2005.1463772},
journal   = {IEEE Transactions on Magnetics}
}