@inproceedings{dammertz08qbvh,
title = {Shallow Bounding Volume Hierarchies for Fast {SIMD} Ray Tracing of Incoherent Rays},
author = {Holger Dammertz and Johannes Hanika and Alexander Keller},
booktitle = {Computer Graphics Forum (Proc. 19th Eurographics Symposium on Rendering)},
pages = {1225--1234},
year = 2008
}