@article{Van Bavel2010,
author = {Van Bavel, J. and Kok, J.},
title= {A mixed effects model of birth spacing for pre-transition populations: Evidence of deliberate fertility control from nineteenth century Netherlands},
year = {2010},
doi = {10.1016/j.hisfam.2009.12.004},
journal = {The History of the Family},
volume = {15},
number = {2},
pages = {125--138},
}