@article{Blackburn1993,
author = {Blackburn, M.L. and Bloom, D.E. and Neumark, D.},
title= {Fertility timing, wages, and human capital},
year = {1993},
doi = {10.1007/BF00164336},
journal = {Journal of Population Economics },
volume = {6},
number = {1},
pages = {3--30},
}