@inproceedings{ClaEppMil-SCG-93,
title = {Approximating center points with iterated Radon points},
author = {Kenneth L. Clarkson and David Eppstein and Gary L. Miller and Carl Sturtivant and Shang-Hua Teng},
booktitle = {Proc. 9th Symp. Computational Geometry},
publisher = {ACM},
pages = {91--98},
month = {May},
year = {1993}}