@article{Engelen2004,
author = {Engelen, T.L.M. and Knotter, A. and Kok, J. and Paping, R.},
title= {Labor strategies of families: An introduction},
year = {2004},
doi = {10.1016/j.hisfam.2004.01.001},
URL = {https://doi.org/10.1016/j.hisfam.2004.01.001},
volume = {9},
number = {2},
pages = {123--135},
}