Open access
Published: 18 January 2012
DOI: 10.5772/39059
From the Edited Volume
Edited by Gabor B. Racz and Carl E. Noe
Published: 18 January 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.