@article{bs-faad-02,
author = {Sergei Bespamyatnikh and Michael Segal},
title = {Fast Algorithms for Approximating Distances},
journal = {Algorithmica},
year = {2002},
volume = {33},
number = {2},
pages = {263--269},
url = {http://link.springer-ny.com/link/service/journals/00453/bibs/2033002/203302% 63.html}
}