@article{Zick1996,
author = {Zick, C. and Bryant, K.},
title= {A new look at parents’ time spent in child care: Primary and secondary time use},
year = {1996},
doi = {10.1006/ssre.1996.0012},
journal = {Social Science Research},
volume = {25},
number = {3},
pages = {260--280},
}