Open access
Submitted: 23 April 2015 Published: 18 February 2016
DOI: 10.5772/61947
From the Edited Volume
Edited by Milos Janecek and Robert Kral
Submitted: 23 April 2015 Published: 18 February 2016
© 2016 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.