@article{PavlovicD:mapsI,
  title = "Maps {I}: relative to a factorisation system",
  author = "Dusko Pavlovic",
  year = "1995",
  journal = "J.~Pure Appl. Algebra",
  pages = "9--34",
  url = "ftp://triples.math.mcgill.ca/pub/pavlovic/mapsI.ps",
  volume = "99",
}