@phdthesis{Costa2015,
author = {Costa, R.},
title= {Diffusion effects in the Belgian fertility transition: Space‒time analyses at the municipal and individual levels (1887–1934)},
year = {2015},
address = {Louvain-la-Neuve},
institution = {Demography},
publisher = {Université Catholique de Louvain},
}