Vassili A. Kovalev Frithjof Kruggel Texture Anisotropy of the Brain's White Matter as Revealed by Anatomical MRI. 678-685 2007 26 IEEE Trans. Med. Imaging 5 http://doi.ieeecomputersociety.org/10.1109/TMI.2007.895481 db/journals/tmi/tmi26.html#KovalevK07