@inproceedings{ahns-cofar-08 , author = "N. Alon and D. Halperin and O. Nechushtan and M. Sharir" title = " The complexity of the outer face in arrangements of random segments" , booktitle = "Symposium on Computational Geometry 2008." , year = 2008 , pages = "69--78" , cites = " Washington, DC " , update = "" }