Adrian Dumitrescu, Csaba D. Tóth. The traveling salesman problem for lines, balls and planes. In Sanjeev Khanna, editor, Proceedings of the Twenty-Fourth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2013, New Orleans, Louisiana, USA, January 6-8, 2013. pages 828-843, SIAM, 2013. [doi]
Abstract is missing.