@ARTICLE\{IMM1992-03707,
    author       = "V. V. Vidal",
    title        = "The afforestation problem: a heuristic method based on simulated annealing",
    year         = "1992",
    keywords     = "location, assignement, simulated annealing",
    pages        = "184-191",
    journal      = "European Journal of Operational Research",
    volume       = "56",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3707-full.html"
}