[To Parent Directory] 2/27/2007 7:00 AM 49268 RUG4740001V4_abstract.pdf 2/27/2007 6:59 AM 2846514 RUG4740001V4_full.pdf 4/20/2008 10:37 AM 1961660 RUG4740001V4_s01.pdf 4/20/2008 10:39 AM 1802717 RUG4740001V4_s02.pdf