@CONFERENCE\{IMM1998-01892,
    author       = "J. Lichtenberg and M. R. Hansen and H. Rischel",
    title        = "Modelling Invoicing using {SML}",
    year         = "1998",
    pages        = "297 - 311",
    booktitle    = "Int. Workshop on: Comparing Systems Specificationn Techniques - {''}What questions are prompted by ones particular method of speci",
    volume       = "",
    series       = "",
    editor       = "M. Allemand and C. Attiogbe and H. Habrias",
    publisher    = "{ERIN,} Nantes",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1892-full.html"
}