@inproceedings{LanSte-WCG-99,
title = {An optimal algorithm for hyperplane depth in the plane},
author = {Stefan Langerman and William Steiger},
booktitle = {Proc. 4th CGC Worksh. Computational Geometry},
month = {Oct},
year = {1999},
url = {http://www.cs.jhu.edu/~cgc/abstracts99/stefan.ps}}