Rectilinear 2-center problems
Sergei N. Bespamyatnikh
and David Kirkpatrick
Proc. 11th Canad. Conf. Computational Geometry, Aug 1999
http://www.cs.ubc.ca/conferences/CCCG/elec_proc/fp55.pdf
Cites:
Bizarrely, this paper mentions my improvement to Sharir's two-center algorithm but does not include a citation to my paper.
