White Paper on Ultra-Heavy Cosmic-Ray Astrophysics Israel, Martin H. ; Adams, James H. ; Binns, W. Robert ; de Nolfo, Georgia A. ; Hams, Thomas ; Labrador, Allan W. ; Link, Jason T. ; Mewaldt, Richard A. ; Sasaki, Makoto ; Stone, Edward C. ; Waddington, C. Jake ; Westphal, Andrew J. ; Wiedenbeck, Mark E. Abstract Publication: astro2010: The Astronomy and Astrophysics Decadal Survey Pub Date: 2009 Bibcode: 2009astro2010S.138I