@book{ BB03792245,
  author    = "Stillwell, John C. H. (John Charles Harold) and Ham, Maarten van",
  title     = "Ethnicity and integration",
  publisher = "Springer",
  year      = "2010",
  series    = "Understanding population trends and processes / series editor, J. Stillwell",
  number    = "v. 3",
  URL       = "https://ci.nii.ac.jp/ncid/BB03792245"
}