@TECHREPORT\{IMM1990-03499,
    author       = "C. M. Bilbo and H. Spliid and E. Arvin and H. Holst",
    title        = "Analysis of interactions in a multicomponent system",
    year         = "1990",
    pages        = "12",
    number       = "8",
    series       = "",
    institution  = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3499-full.html"
}