@inbook{PointCountableBaseProblem,
  title = "The point-countable base problem",
  author = "A. W. Rosoce and P.J. Collins and G.M. Reed",
  year = "1990",
  booktitle = "Problems in Topology",
  editor = "G.M. Reed and J. van Mill",
  publisher = "Elsevier",
  url = "http://www.cs.ox.ac.uk/people/bill.roscoe/publications/32.pdf",
}