@unpublished{DomainTheoryNotes,
  title = "Notes on Domain Theory",
  author = "A. W. Roscoe",
  year = "1989",
  note = "These notes were written for the Oxford Domain Theory course between 1984 and 1989.  I originally planned to publish them as half of "Domains for denotational semantics".",
  url = "http://www.cs.ox.ac.uk/people/bill.roscoe/publications/domnotes.pdf",
}