Esther M. Arkin, Gill Barequet, Joseph S. B. Mitchell. Algorithms for two-box covering. In Nina Amenta, Otfried Cheong, editors, Proceedings of the 22nd ACM Symposium on Computational Geometry, Sedona, Arizona, USA, June 5-7, 2006. pages 459-467, ACM, 2006. [doi]
Abstract is missing.