@article{Casterline1986,
author = {Casterline, J.B. and Williams, L. and McDonald, P.},
title= {The age difference between spouses: Variations among developing countries},
year = {1986},
doi = {10.1080/0032472031000142296},
URL = {https://doi.org/doi:10.1080/0032472031000142296},
volume = {40},
number = {3},
pages = {353‒374},
}