@CONFERENCE\{IMM1992-04552,
    author       = "J. Spars{\o} and J. Staunstrup and M. Dantzer-S{\o}rensen",
    title        = "Design of delay insensitive circuits using multi-ring structures",
    year         = "1992",
    month        = "sep",
    pages        = "15-20",
    booktitle    = "Proc. of {EURO-DAC'}92, European Design Automation Conference, Hamburg, Germany, September {7-}10",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/4552-full.html"
}