@INCOLLECTION\{IMM1999-01574, author = "F. Nielson", title = "Validating Programs in Concurrent {ML}", year = "1999", pages = "361-378", booktitle = "Research Directions in Parallel Functional Programming", volume = "", number = "", series = "", publisher = "", address = "", edition = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/1574-full.html" }