@book{ BB09240489,
  author    = "Amsel, Eric and Smetana, Judith G.",
  title     = "Adolescent vulnerabilities and opportunities : developmental and constructivist perspectives",
  publisher = "Cambridge University Press",
  year      = "2011",
  series    = "The Jean Piaget Symposium series",
  number    = "",
  URL       = "https://ci.nii.ac.jp/ncid/BB09240489"
}