@article{Mdzinarishvili:2004,
  author  = "T. Mdzinarishvili and G. Melikidze",
  title   = "On the z-distribution of pulsars",
  journal = "Astronomy & Astrophysics",
  number  = "Vol. 425",
  pages   = "1009--1012",
  year    = "2004",
}