@article {BA2,
    AUTHOR = {Barahona, Francisco and Anbil, Ranga},
     TITLE = {On some difficult linear programs coming from set
              partitioning},
      NOTE = {Third ALIO-EURO Meeting on Applied Combinatorial Optimization
              (Erice, 1999)},
   JOURNAL = {Discrete Appl. Math.},
  FJOURNAL = {Discrete Applied Mathematics. Combinatorial Algorithms,
              Optimization and Computer Science},
    VOLUME = {118},
      YEAR = {2002},
    NUMBER = {1-2},
     PAGES = {3--11},
      ISSN = {0166-218X},
     CODEN = {DAMADU},
   MRCLASS = {90C27 (90C08)},
  MRNUMBER = {MR1888545 (2002m:90062)},
}
@article {BA1,
    AUTHOR = {Barahona, Francisco and Anbil, Ranga},
     TITLE = {The volume algorithm: producing primal solutions with a
              subgradient method},
   JOURNAL = {Math. Program.},
  FJOURNAL = {Mathematical Programming. A Publication of the Mathematical
              Programming Society},
    VOLUME = {87},
      YEAR = {2000},
    NUMBER = {3, Ser. A},
     PAGES = {385--399},
      ISSN = {0025-5610},
   MRCLASS = {90C06 (90C05)},
  MRNUMBER = {MR1757554 (2001a:90031)},
}
@incollection {BC,
    AUTHOR = {Barahona, Francisco and Chudak, Fabi{\'a}n A.},
     TITLE = {Solving large scale uncapacitated facility location problems},
 BOOKTITLE = {Approximation and complexity in numerical optimization
              (Gainesville, FL, 1999)},
    SERIES = {Nonconvex Optim. Appl.},
    VOLUME = {42},
     PAGES = {48--62},
 PUBLISHER = {Kluwer Acad. Publ.},
   ADDRESS = {Dordrecht},
      YEAR = {2000},
   MRCLASS = {90B80 (90C09)},
  MRNUMBER = {MR1778441},
}
@TECHREPORT{BL,
   author = "F. Barahona and L. Ladanyi",
   title = "Branch-and-Cut based on the Volume Algorithm: {S}teiner trees in graphs and max-cut",
        type = "{R}eport",
        note = "available at http://optimization-online.org",
      year = 2001,
}