@article{Lewandowski:2004,
  author  = "W. Lewandowski and A. Wolszczan and G. Feiler and M. Konacki and T. Soltysiński",
  title   = "Arecibo timing and single-pulse observations of eighteen pulsars",
  journal = "Astrophysical Journal",
  volume  = "Vol. 600",
  pages   = "905--913",
  year    = "2004",
}