@article{KMS12,
	Author = {D. Kr{\'a}l' and L. Mach and J.-S. Sereni},
	Doi = {10.1007/s00454-012-9419-3},
	Journal = {Discrete Comput. Geom.},
	FJournal = {Discrete and Computational Geometry},
	Title = {A new lower bound based on {G}romov's method of selecting heavily covered points},
  Volume = {48},
  Number = {2},
  Pages = {487--498},
	Url = {http://arxiv.org/pdf/1108.0297v2.pdf},
	Year = {2012}}