@CONFERENCE\{IMM2004-02851,
    author       = "V. Vidal",
    title        = "The Art and Science of Problem Solving",
    year         = "2004",
    month        = "jan",
    booktitle    = "{II} International Conference of Peruvian Scientists, Lima, Peru",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2851-full.html"
}