Open access
Submitted: September 19th, 2013 Published: June 18th, 2014
DOI: 10.5772/58217
From the Edited Volume
Edited by Claire Lesieur
Submitted: September 19th, 2013 Published: June 18th, 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.