@CONFERENCE\{IMM1994-01613,
    author       = "F. Nielson and H. Riis Nielson",
    title        = "Constraints for Polymorphic Behaviours  of Concurrent {ML}",
    year         = "1994",
    pages        = "73-88",
    booktitle    = "Proc. Constraints  in Computational Logics",
    volume       = "845",
    series       = "Lecture Notes in Computer Science",
    editor       = "",
    publisher    = "Springer-Verlag",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1613-full.html"
}