BibTeX record: conf/soda/HalperinKKSW03

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@inproceedings{DBLP:conf/soda/HalperinKKSW03,
  author    = {Eran Halperin and
               Guy Kortsarz and
               Robert Krauthgamer and
               Aravind Srinivasan and
               Nan Wang},
  title     = {Integrality ratio for group Steiner trees and directed steiner trees},
  booktitle = {Proceedings of the Fourteenth Annual {ACM-SIAM} Symposium on Discrete
               Algorithms, January 12-14, 2003, Baltimore, Maryland, {USA.}},
  pages     = {275--284},
  year      = {2003},
  crossref  = {DBLP:conf/soda/2003},
  url       = {http://dl.acm.org/citation.cfm?id=644108.644155},
  timestamp = {Fri, 07 Dec 2012 17:02:08 +0100},
  biburl    = {http://dblp.uni-trier.de/rec/bib/conf/soda/HalperinKKSW03},
  bibsource = {dblp computer science bibliography, http://dblp.org}
}
@proceedings{DBLP:conf/soda/2003,
  title     = {Proceedings of the Fourteenth Annual {ACM-SIAM} Symposium on Discrete
               Algorithms, January 12-14, 2003, Baltimore, Maryland, {USA}},
  publisher = {{ACM/SIAM}},
  year      = {2003},
  url       = {http://dl.acm.org/citation.cfm?id=644108},
  isbn      = {0-89871-538-5},
  timestamp = {Fri, 07 Dec 2012 17:02:08 +0100},
  biburl    = {http://dblp.uni-trier.de/rec/bib/conf/soda/2003},
  bibsource = {dblp computer science bibliography, http://dblp.org}
}