@article{DBLP:journals/cgf/GargantiniA93,
author = {Irene Gargantini and
Harvey H. Atkinson},
title = {Ray Tracing an Octree: Numerical Evaluation of the First
Interaction},
journal = {Comput. Graph. Forum},
volume = {12},
number = {4},
year = {1993},
pages = {199-210},
ee = {http://dx.doi.org/10.1111/1467-8659.1240199},
bibsource = {DBLP, http://dblp.uni-trier.de}
}