Open access
Submitted: 24 February 2013 Published: 12 February 2014
DOI: 10.5772/57092
From the Edited Volume
Edited by Giorgos Fagas, Luca Gammaitoni, Douglas Paul and Gabriel Abadal Berini
Submitted: 24 February 2013 Published: 12 February 2014
© 2014 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.