@techreport{HHJ2011FusionTech,
  title = "Theory and Practice of Fusion",
  author = "Hinze, Ralf and Harper, Thomas and James, Daniel W.H.",
  year = "2011",
  institution = "Department of Computer Science, University of Oxford",
  number = "CS-RR-2011-01",
  url = "http://www.comlab.ox.ac.uk/people/daniel.james/fusion.html",
}