%% -*-BibTeX-*-


@Article{ChR94a,
  author       = "Sunil Chopra and M. Rao",
  title        = "The {S}teiner Tree Problem {I}: Formulations, Compositions and Extension of Facets",
  journal      = "Mathematical Programming",
  volume       = "64",
  number       = "2",
  pages        = "209--229",
  year         = "1994",
  access       = "telecom",
  contributor  = "ZIB",
  index        = "steiner",
}