@inproceedings{chanetal:steiner-06,
author = {T.-H. Hubert Chan and Donglin Xia and Goran Konjevod
and Andr\'{e}a W. Richa},
title = {A tight lower bound for {S}teiner point removal problem
on trees},
booktitle = {Proceedings of the APPROX},
series = {Lecture Notes in Computer Science},
volume = 4110,
pages = {70--81},
year = {2006},
catid1 = {conference.paper},
catid1 = {approx.paper},
catid1 = {metric.paper},
url = {steinerremoval.pdf}
}
@article{konjevodetal:ipl-01,
author = {Goran Konjevod and R. Ravi and F. Sibel Salman},
title = {On approximating planar metrics by tree metrics},
journal = {Information Processing Letters},
volume = {80},
number = {4},
pages = {213--219},
year = {2001},
catid1 = {journal.paper},
catid1 = {metric.paper},
url = {metrics.ps.gz}
}
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