@article{Song2010,
 author={Giltae Song and  Luoxin Zhang and  Tomas Vinar and  Webb Miller},
 title={{CAGE: Combinatorial Analysis of Gene-Cluster Evolution}},
 journal={Journal of Computational Biology},
 volume={17},
 number={9},
 pages={1227--1232},
 year={2010},
 note={Early version appeared in RECOMB-CG 2009}
}