@book{ BB0367905X,
  author    = "Stillwell, John and Norman, Paul and Thomas, Claudia and Surridge, Paula",
  title     = "Spatial and social disparities",
  publisher = "Springer",
  year      = "2010",
  series    = "Understanding population trends and processes / series editor, J. Stillwell",
  number    = "v. 2",
  URL       = "https://ci.nii.ac.jp/ncid/BB0367905X"
}