@CONFERENCE\{IMM1997-01620,
    author       = "F. Nielson and H. Riis Nielson",
    title        = "A Prescriptive Framework for Designing Multi-Level  Lambda-Calculi",
    year         = "1997",
    pages        = "193-202",
    booktitle    = "Proc. {PEPM'}97",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "{ACM} Press",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1620-full.html"
}