@Article{YDK:2010:VSSM,<br>
author = {Yang, Baoguang and Dong, Zhao and Feng, Jieqing and Seidel, Hans-Peter and Kautz, Jan},<br>
title = {Variance Soft Shadow Mapping},<br>
booktitle = {Computer Graphics Forum},<br>
number = {7},<br>
volume = {29},<br>
pages = {2127--2134},<br>
year = {2010}<br>
}