@ARTICLE\{IMM1988-03695,
    author       = "V. V. Vidal",
    title        = "A graphical method to select the optimal target value of a process",
    year         = "1988",
    keywords     = "process control, optimization, graphical method",
    pages        = "285-291",
    journal      = "Engineering Optimization",
    volume       = "13",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3695-full.html"
}