@ARTICLE{BMJK09,
author={Bak, Peter and Mansmann, Florian and Janetzko, Halldor and Keim, Daniel A.},
title={{Spatiotemporal Analysis of Sensor Logs using Growth Ring Maps}},
journal={IEEE Transactions on Visualization and Computer Graphics (TVCG)},
volume={15},
number={6},
pages={913-920},
year={2009}
}