@article{Kiernan1987,
author = {Kiernan, K.E. and Eldridge, S.M.},
title= {Age at marriage: Inter- and intra-cohort variation},
year = {1987},
doi = {10.2307/590578},
journal = {British Journal of Sociology},
volume = {38},
number = {1},
pages = {44--65},
}