@inproceedings{ORR00,
 author = {O'Donnell, J. and Rauber, T. and R\"{u}nger, G.},
 title = {{A Side-Effect-Free Hierarchical Radiosity Algorithm}},
 booktitle = {Proc. of the 14th Annual ACM Symp. on Applied Computing (SAC'00)},
 pages = {782--789},
 year = {2000},
 publisher = {ACM},
}