@article{7:72,author={Shohei Shimizu and Patrik O. Hoyer and Aapo Hyvrinen and Antti Kerminen}, Title={A Linear Non-Gaussian Acyclic Model for Causal Discovery},journal={Journal of Machine Learning Research},volume={7}, url={http://www.jmlr.org/papers/volume7/shimizu06a/shimizu06a.pdf}}