Natasa Jovanovic, Jan H. M. Korst, Ramon Clout, Verus Pronk, Ludo Tolhuizen. Candle in the woods: asymptotic bounds on minimum blocking sets. In John Hershberger, Efi Fogel, editors, Proceedings of the 25th ACM Symposium on Computational Geometry, Aarhus, Denmark, June 8-10, 2009. pages 148-152, ACM, 2009. [doi]
Abstract is missing.