@book{ BA21319911,
 author = "Rindfuss, Ronald R. and Sweet, James A.",
 title = "Postwar fertility trends and differentials in the United States",
 publisher = "Academic Press",
 year = "1977",
 series = "Studies in population",
 number = "",
 URL = "https://ci.nii.ac.jp/ncid/BA21319911"
}
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