A. Blum, T. Chan, and M. Rwebangira. Proceedings of the eigth Workshop on Algorithm Engineering and Experiments and the third Workshop on Analytic Algorithmics and Combinatorics, page 238--246. (2006)
K. Chan, I. King, and M. Yuen. Proceedings of the International Conference on Computational Science and Engineering, CSE '09, 4, page 1205--1210. (August 2009)