Open access
Submitted: 12 June 2014 Published: 01 July 2015
DOI: 10.5772/60988
From the Edited Volume
Edited by Fabiano Cavalcanti Fernandes, Lourdes Mattos Brasil and Renato da Veiga Guadagnin
Submitted: 12 June 2014 Published: 01 July 2015
© 2015 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution 3.0 License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.