@article{DCG_1995__13_3-4_131371,
     author = {H. Edelsbrunner},
     title = {The {Union} of {Balls} and {Its} {Dual} {Shape.}},
     journal = {Discrete & computational geometry},
     pages = {415--440},
     publisher = {mathdoc},
     volume = {13},
     number = {3-4},
     year = {1995},
     zbl = {0826.68053},
     url = {http://geodesic.mathdoc.fr/item/DCG_1995__13_3-4_131371/}
}