Open access
Published: 24 February 2012
DOI: 10.5772/39300
From the Monograph
Edited by Li-Fang Chou and Liang-Feng Lin
Published: 24 February 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.