@article{Hayford2005,
author = {Hayford, S.R. },
title= {Stable aggregate fertility in a time of family change: A decomposition of trends in American fertility, 1970–1999},
year = {2005},
doi = {10.1080/19485565.2002.9989096},
journal = {Biodemography and Social Biology},
volume = {52},
number = {1-2},
pages = {1--17},
}