@article{Vandell2003,
author = {Vandell, D.L. and McCartney, K. and Owen, M.T. and Booth, C. and Clarke-Stewart, A.},
title= {Variations in Child Care by Grandparents during the First Three Years},
year = {2003},
doi = {10.1111/j.1741-3737.2003.00375.x},
journal = {Journal of Marriage and Family},
volume = {65},
number = {2},
pages = {375--381},
}