../ fig05.pdf 07-May-2006 03:58 15K fig08.pdf 07-May-2006 21:28 6832 fig09.pdf 07-May-2006 21:57 7213 fig10.pdf 07-May-2006 22:07 5945 fig11.pdf 07-May-2006 22:19 3827 fig13.pdf 07-May-2006 23:33 6792 fig19.pdf 08-May-2006 00:44 4643 fig21.pdf 08-May-2006 03:25 4453