@article{starCovering,
  title = "Star covering properties",
  author = "A. W. Roscoe and E.K. van Douwen and G.M. Reed and I.J. Tree",
  year = "1991",
  journal = "Topology and its Applications",
  pages = "71-103",
  url = "http://www.cs.ox.ac.uk/people/bill.roscoe/publications/40.pdf",
  volume = "39",
}