@manual{75574,
  author = {E. Martin},
  title = {Validation of Alpine snow in ERA-40},
  year = {2004},
  journal = {ERA-40 Project Report Series},
  number = {14},
  month = {02/2004},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}