@article{acyclic,
  title = "Acyclic monotone normality",
  author = "A. W. Roscoe and P. Moody",
  year = "1992",
  journal = "Topology and its Applications",
  pages = "53-67",
  url = "http://www.cs.ox.ac.uk/people/bill.roscoe/publications/44.pdf",
  volume = "47",
}