@book{ BA18631490,
  author    = "Tibbitts, Clark and Donahue, Wilma T. (Wilma Thompson)",
  title     = "Social and psychological aspects of aging",
  publisher = "Columbia University Press",
  year      = "1962",
  series    = "Aging around the world : proceedings of the fifth congress of the International Association of Gerontology",
  number    = "",
  URL       = "https://ci.nii.ac.jp/ncid/BA18631490"
}