Open access peer-reviewed chapter
Submitted: February 23rd, 2011 Reviewed: May 30th, 2011 Published: December 16th, 2011
DOI: 10.5772/27990
From the Edited Volume
Edited by Raymond Chuen-Chung Chang
Submitted: February 23rd, 2011 Reviewed: May 30th, 2011 Published: December 16th, 2011
© 2011 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.