Open access
Submitted: 25 February 2014 Published: 18 June 2014
DOI: 10.5772/58631
From the Edited Volume
Edited by Claire Lesieur
Submitted: 25 February 2014 Published: 18 June 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.