@Article{wald:06:grid,
    title    = { {Ray} {Tracing} {Animated} {Scenes} {using} {Coherent} {Grid} {Traversal} },
    author   = { Ingo Wald and Thiago Ize and Andrew Kensler and Aaron Knoll and Steven G. Parker },
    journal  = { ACM Transactions on Graphics },
    month    = { Jul },
    year     = { 2006 },
    volume   = { 25 },
    number   = { 3 },
    pages    = { 485--493 },
    note     = { (Proceedings of ACM SIGGRAPH 2006) },
}