@article{Bloom1984,
author = {Bloom, D.E. and Trussell, J. },
title= {What are the determinants of delayed childbearing and permanent childlessness in the United States? },
year = {1984},
doi = {10.2307/2060917},
journal = {Demography},
volume = {21},
number = {4},
pages = {591--611},
}