Santos, Artur, Joao Marcelo X. N. Teixeira, Thiago S. M. C. de Farias, Veronica Teichrieb, and Judith Kelner.
" kD-Tree Traversal Implementations for Ray Tracing on Massive Multiprocessors: A Comparative Study." <em>Anais do XXI International Symposium on Computer Architecture and High Performance Computing,
São Paulo/SP, 2009</em>. SBC, 2009,  
pp.41-48.