@article{Chen:2008:ARA, 
title = "Abstractive Representation and Exploration of Hierarchically Clustered Diffusion Tensor Fiber Tracts",
author = "Wei Chen and Song Zhang and Stephfan Correia and David S. Ebert",
journal = "Computer Graphics Forum",
volume = 27,
number = 3,
month = may,
year = 2008,
pages = "1071--1078",
}