@article{David1989b,
author = {David, P.A. and Mroz, T.A.},
title= {Evidence of fertility regulation among rural French villagers, 1749–1789. A sequential econometric model of birth-spacing behavior (part 2)},
year = {1989b},
doi = {10.1007/bf01796900},
journal = {European Journal of Population},
volume = {5},
number = {2},
pages = {173--206},
}