@article{Harknett2014,
author = {Harknett, K. and Hartnett, C.S.},
title= {The gap between births intended and births achieved in 22 European countries, 2004‒07},
year = {2014},
doi = {10.1080/00324728.2014.899612},
journal = {Population Studies},
volume = {68},
number = {3},
pages = {265‒282},
}