@article{Xu:2013:ASG,
author = {Kun Xu and Wei-Lun Sun and Zhao Dong and Dan-Yong Zhao and Run-Dong Wu and Shi-Min Hu},
title = {Anisotropic Spherical Gaussians},
journal = {ACM Trans. Graph.},
volume = {32},
number = {6},
year = {2013},
pages = {209:1--209:11},
}