Learning the Structure of Linear Latent Variable Models
Peter Spirtes and Ricardo Silva and Richard Scheine and Clark Glymour

@article{7:8,author={Ricardo Silva and Richard Scheine and Clark Glymour and Peter Spirtes}, Title={Learning the Structure of Linear Latent Variable Models},journal={Journal of Machine Learning Research},volume={7}, url={http://www.jmlr.org/papers/volume7/silva06a/silva06a.pdf}}