@article{Koops2017,
author = {Koops, J.C. and Liefbroer, A.C. and Gauthier, A.H.},
title= {The influence of parental educational attainment on the partnership context at first birth in 16 western societies},
year = {2017},
doi = {10.1007/s10680-017-9421-9},
volume = {33},
number = {4},
pages = {533--557},
}