{"paper_id":"dd121b96-4b29-4e2d-ae11-9bc98313f97a","body_text":"Open access\nSubmitted: 14 March 2011 Published: 09 May 2012\nDOI: 10.5772/29965\nFrom the Edited Volume\nEdited by Koel Chaudhury and Baidyanath Chakravarty\nSubmitted: 14 March 2011 Published: 09 May 2012\n© 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.\nDiscover 2026 Nobel Laureate Francis Halzen’s chapter on IntechOpen >","source_license":"CC0","license_restricted":false}