@book{ BA00854214,
  author    = "Cochran, William Gemmell",
  title     = "Sampling techniques",
  publisher = "Wiley",
  year      = "1977",
  edition   = "3rd ed",
  series    = "Wiley series in probability and mathematical statistics",
  number    = ". Applied probability and statistics",
  URL       = "https://ci.nii.ac.jp/ncid/BA00854214"
}