@manual{76620,
  author = {C. Temperton},
  title = {Fast Fourier Transforms on Cray-1},
  year = {1978},
  number = {21},
  pages = {46},
  month = {01/1978},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}