Open access
Submitted: July 19th, 2011 Published: April 20th, 2012
DOI: 10.5772/38900
From the Edited Volume
Edited by Kazimierz Lejda and Pawel Wos
Submitted: July 19th, 2011 Published: April 20th, 2012
© 2012 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.