@TechReport{wald:07:stream,
    title       = { {SIMD} {R}ay {S}tream {T}racing - {SIMD} {R}ay {T}raversal with {G}eneralized {R}ay {P}ackets and {O}n-the-fly {R}e-{O}rdering },
    author      = { Ingo Wald and Christiaan P Gribble and Solomon Boulos and Andrew Kensler },
    month       = { Aug },
    year        = { 2007 },
    institution = { SCI Institute, University of Utah },
    number      = { UUSCI-2007-012 },
}