@book{UBHD-1074379, author={Ryder, Norman B. and Westhoff, Charles F.}, title={Reproduction in the United States 1965}, publisher={Princeton Univ. Pr.}, address={Princeton, NJ}, year={1971}, pages={419 S.}, language={eng}, keywords={USA / Geburtenregelung}, library={UB [Signatur: 72 B 703]}, }