@article{DCG_1993__9_2_131243,
     author = {M. Sharir and B. Aronov and M. Pellegrini},
     title = {On the {Zone} of a {Surface} in a {Hyperplane} {Arrangement.}},
     journal = {Discrete & computational geometry},
     pages = {177--186},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1993},
     zbl = {0773.52007},
     url = {http://geodesic.mathdoc.fr/item/DCG_1993__9_2_131243/}
}