@article{DCG_1992__7_4_131178,
     author = {A. Heppes},
     title = {Solid {Circle-Packings} in the {Euclidean} {Plane.}},
     journal = {Discrete & computational geometry},
     pages = {29--44},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {1992},
     zbl = {0752.52012},
     url = {http://geodesic.mathdoc.fr/item/DCG_1992__7_4_131178/}
}