@BOOK\{IMM1992-01535,
    author       = "F. Nielson and H. Riis Nielson",
    title        = "Two-Level Functional Languages",
    year         = "1992",
    volume       = "",
    number       = "",
    series       = "Cambridge Tracts in Theoretical Computer  Science \{\$\backslash\$bf vol.\verb+~+34\}",
    publisher    = "Cambridge University Press",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1535-full.html"
}