TY - JOUR A1 - Vandell, D.L. A1 - McCartney, K. A1 - Owen, M.T. A1 - Booth, C. A1 - Clarke-Stewart, A. T1 - Variations in Child Care by Grandparents during the First Three Years Y1 - 2003 DO - 10.1111/j.1741-3737.2003.00375.x JF - Journal of Marriage and Family VL - 65 IS - 2 ER -