@article{David1989,
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 1 and 2)},
year = {1989},
doi = {10.1007/BF01796786},
journal = {European Journal of Population},
volume = {5},
number = {1},
pages = {1--26 and 173--206},
}