@INCOLLECTION\{IMM1986-03689,
    author       = "V. V. Vidal and A. Arinbjarnarson",
    title        = "Computer Aided Production Planning in A Small Firm",
    year         = "1986",
    keywords     = "planning, {OR,} optimization",
    booktitle    = "{OR} in Micros (Portugal)",
    volume       = "",
    number       = "",
    series       = "",
    publisher    = "North Holland",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3689-full.html"
}