Open access
Submitted: 22 April 2012 Published: 05 March 2014
DOI: 10.5772/56045
From the Edited Volume
Edited by Herve Glotin
Submitted: 22 April 2012 Published: 05 March 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.