@INCOLLECTION\{IMM1991-03704,
    author       = "V. V. Vidal",
    title        = "The systematization of practice",
    year         = "1991",
    keywords     = "systemtization, {OR,} practice",
    booktitle    = "Systems Thinking in Europe",
    volume       = "",
    number       = "",
    series       = "",
    publisher    = "Plenum, {NY}",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3704-full.html"
}