@article{DBLP:journals/dcg/ClarksonEGSW90,
author = {Kenneth L. Clarkson and
Herbert Edelsbrunner and
Leonidas J. Guibas and
Micha Sharir and
Emo Welzl},
title = {Combinatorial Complexity Bounds for Arrangement of Curves
and Spheres},
journal = {Discrete {\&} Computational Geometry},
volume = {5},
year = {1990},
pages = {99-160},
ee = {http://dx.doi.org/10.1007/BF02187783},
bibsource = {DBLP, http://dblp.uni-trier.de}
}