@article{Knodel1981,
author = {Knodel, J. and Wilson, C.},
title= {The Secular Increase in Fecundity in German Village Populations: An Analysis of Reproductive Histories of Couples Married 1750-1899},
year = {1981},
doi = {10.2307/2174835},
journal = {Population Studies},
volume = {35},
number = {1},
pages = {53--84},
}