@article{ELMA_1963__18_140774,
     author = {M. Goldberg},
     title = {Packing of 33 equal {Circles} on a {Sphere.}},
     journal = {Elemente der Mathematik},
     pages = {99--100},
     publisher = {mathdoc},
     volume = {18},
     year = {1963},
     zbl = {0112.37502},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1963__18_140774/}
}