@CONFERENCE\{IMM2006-04920,
    author       = "A. E. Haxthausen and C. W. George and M. Schütz",
    title        = "Specification and Proof of the Mondex Electronic Purse",
    year         = "2006",
    booktitle    = "Proceedings of 1st Asian Working Conference on Verified Software ({AWCVS} 2006), Macao",
    volume       = "",
    series       = "Report No. 347",
    editor       = "",
    publisher    = "UNU-IIST,",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/4920-full.html"
}