"research trail" by KHooverhttp://trailfire.com/KHoover/trails/45410KHoover/trails60Scirus - for scientific informationhttp://trailfire.com/KHoover/marks/152114research trailKHooverSun, 23 Sep 2007 12:31:51 -0700trailfire:markId:152114Google Scholarhttp://trailfire.com/KHoover/marks/152115research trailKHooverSun, 23 Sep 2007 12:32:41 -0700trailfire:markId:152115