@article{Hajnal1982,
author = {Hajnal, J.},
title= {Two kinds of preindustrial household formmation systems},
year = {1982},
doi = {10.2307/1972376},
URL = {https://doi.org/doi:10.2307/1972376},
volume = {8},
number = {3},
pages = {449‒494},
}