@article{DCG_1989__4_6_131062,
     author = {J.M. Wills and Fejes G. T\'oth and P. Gritzmann},
     title = {Finite {Sphere} {Packing} and {Sphere} {Covering.}},
     journal = {Discrete & computational geometry},
     pages = {19--40},
     publisher = {mathdoc},
     volume = {4},
     number = {6},
     year = {1989},
     zbl = {0658.52007},
     url = {http://geodesic.mathdoc.fr/item/DCG_1989__4_6_131062/}
}