LECTURE NOTES IN COMPUTER SCIENCE, vol. 6507, page. 422 - 433, 2010-12
21st International Symposium on Algorithms and Computation, page. 422 - 433, 2010-12-15
12th Korea-Japan Joint Workhop on Algorithms and Computation, 2009-07-04
26th European Workshop on Computational Geometry, 2010-03-22