Some numerical problems in discrete geometry

Moser, 1960, Problem 24 (corrected), Canad. Math. Bull., 3, 78 Croft, 1991, Unsolved Problems in Geometry, Chapter D1: Packing circles or spreading points in a square, 108 Goldberg, 1970, The packing of equal circles in a square, Math. Mag., 43, 24, 10.2307/2688107 Guy, 1974, Optimal coverings of the square, 10, 745 Melissen, 1994, Dentest packings of eleven congruent circles in a circle, Geometriae Dedicata, 13, 1 Mollard, 1990, Some progress in the packing of equal circles in a square, Discrete Math., 84, 303, 10.1016/0012-365X(90)90135-5 de Groot, 1992, Packing circles in a square: A review and new results, Lect. Notes Contr. Inf. Sci., 180, 45, 10.1007/BFb0113271 C. de Groot, R. Peikert and D. Würtz, The optimal packing of ten equal circles in a square, IPS Research Report, ETH Zr̈ich. Hujter, 1992, Combinatorial Optimization Problems Related to Geometrical Packings and Coverings, Chapter 1:Graph theoretical questions related to packings and coverings by congruent disks R. Milano,m Configurations optimales des disques dans un polygone régulier, Mémoire de Licence, Univ. Libre de Bruxelles. Peikert, 1994, Dichteste Packungen von gleichen Kreisen in einem Quadrat, El. Math., 49, 16 Schaer, 1971, On the packing of ten equal circles in a square, Math. Mag., 44, 139, 10.1080/0025570X.1971.11976123 Valette, 1989, A better packing of ten equal circles in a square, Discrete Math., 76, 57, 10.1016/0012-365X(89)90288-4