@phdthesis{74018,
  author = {P.R. Cockrell},
  title = {Developments in contouring techniques},
  year = {1981},
  journal = {Seminar on Graphical Applications in Meteorology, 19-23 October 1981},
  pages = {3.11-3.22},
  month = {1981},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}