@article{Bhattacharyya:2007,
  author  = "B. Bhattacharyya and Y. Gupta and J. Gil and M. Sendyk",
  title   = "Discovery of a remarkable subpulse drift pattern in PSR B0818-41",
  journal = "Monthly Notices of the Royal Astronomical Society",
  volume  = "Vol. 377",
  pages   = "L10--L14",
  year    = "2007",
}