@misc{79323,
  keywords = {annual seminar},
  author = {D.G. Dritschel and A.R. Mohebalhojeh and J Shipton and R Smith},
  title = {New variables in spherical geometry},
  year = {2004},
  journal = {ECMWF Annual Seminar 2004},
  month = {2004},
  language = {eng},
}