@article{Walford2016,
author = {Walford, N. and Kurek, S.},
title= {Outworking of the second demographic transition: National trends and regional patterns of fertility change in Poland, and England and Wales, 2002–2012},
year = {2016},
doi = {10.1002/psp.1936},
volume = {22},
number = {6},
pages = {508--525},
}