Leibe, B., Mikolajczyk, K., & Schiele, B. (2006). Efficient Clustering and Matching
for Object Class Recognition. In M. Chantler, B. Fisher, & M. Trucco (Eds.), Proceedings of the British Machine Vision Conference (pp. 1-10). Durham: BMVA Press. doi:doi:10.5244/C.20.81.