@article{DCG_1990__5_2_131127,
     author = {W. Kuperberg and G. Kuperberg},
     title = {Double-Lattice {Packings} of {Convex} {Bodies} in the {Plane.}},
     journal = {Discrete & computational geometry},
     pages = {389--398},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1990},
     zbl = {0709.52007},
     url = {http://geodesic.mathdoc.fr/item/DCG_1990__5_2_131127/}
}