@inproceedings{Dong07, <br>
 author = {Zhao Dong and Jan Kautz and Christian Theobalt and Hans-Peter Seidel},<br>
 title = {Interactive Global Illumination Using Implicit Visibility},<br>
 booktitle = {Pacific Conference on Computer Graphics and Applications},<br>
 year = {2007},<br>
 publisher = {IEEE Computer Society},<br>
 address = {Washington, DC, USA},<br>
 }