1. Ábrego, B.M., Arkin, E.M., Fernández-Merchant, S., Hurtado, F., Kano, M., Mitchell, J.S.B., Urrutia, J.: Matching points with circles and squares. In: Akiyama, J., et al. (eds.) Proceedings of the Japan Conference on Discrete and Computational Geometry (JCDCG 2004), LNCS, vol. 3742, pp. 1–15. Springer, Heidelberg (2005)
2. Ábrego B.M., Arkin E.M., Fernández-Merchant S., Hurtado F., Kano M., Mitchell J.S.B., Urrutia J.: Matching points with squares. Discrete Comput. Geom. 41, 77–95 (2009)
3. Ajtai M.: The solution of a problem of T. Rado. Bull. Acad. Pol. Sci. Sér. Sci. Math. Astron. Phys. 21, 61–63 (1973)
4. Bereg S., Dumitrescu A., Jiang M.: Maximum area independent set in disk intersection graphs. Int. J. Comput. Geom. Appl. 20, 105–118 (2010)
5. Bereg S., Dumitrescu A., Jiang M.: On covering problems of Rado. Algorithmica 57, 538–561 (2010)