@article{Leung2016,
author = {Leung, M.Y.M. and Groes, F. and Santaeulalia-Llopis, R.},
title= {The relationship between age at first birth and mother’s lifetime earnings: Evidence from Danish data},
year = {2016},
doi = {10.1371/journal.pone.0146989},
volume = {11},
number = {1},
}