@book{ BB02477286,
  author    = "European Space Research Organisation",
  title     = "European sounding-rocket and related research at high latitudes : proceedings of a symposium held at Spatind, Norway 2-6 April 1973",
  publisher = "European Space Research Organisation",
  year      = "1973",
  series    = "ESRO SP",
  number    = "97",
  URL       = "http://ci.nii.ac.jp/ncid/BB02477286"
}