@article{Kalenkoski2007,
author = {Kalenkoski, C.M. and Ribar, D.C. and Stratton, L.S.},
title= {The effect of family structure on parents’ child care time in the United States and the United Kingdom},
year = {2007},
doi = {10.1007/s11150-007-9017-y},
volume = {5},
pages = {353--384},
}