BerFosKar-ESA-94

@inproceedings{BerFosKar-ESA-94,
title = {Approaching the $5/4$-approximation for rectilinear Steiner trees},
author = {Piotr Berman and Ulrich F{\"o}{\ss}meier and Marek Karpinski and Michael Kaufmann and Alexander Zelikovsky},
booktitle = {Proc. 2nd Eur. Symp. Algorithms (ESA 1994)},
number = {855},
editor = {Jan van Leeuwen},
series = {Lecture Notes in Computer Science},
publisher = {Springer-Verlag},
pages = {60--71},
month = {Sep},
year = {1994},
url = {http://www.cs.virginia.edu/~alexz/postscript/esa.ps}}

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