@BOOK\{IMM1991-03735,
    author       = "V. V. Vidal and et al",
    title        = "Environment, Energy, and Natural Resources Management in the Baltic Region",
    year         = "1991",
    volume       = "",
    number       = "",
    series       = "",
    publisher    = "Nordic Council of Ministers",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3735-full.html"
}