@book{ BA73909962,
  author    = "Bills, David B.",
  title     = "The shape of social inequality : stratification and ethnicity in comparative perspective",
  publisher = "Elsevier JAI",
  year      = "2005",
  edition   = "1st ed",
  series    = "Research in social stratification and mobility : a research annual / editors, Donald J. Treiman, Robert V. Robinson",
  number    = "v. 22",
  URL       = "https://ci.nii.ac.jp/ncid/BA73909962"
}