@article{Attar-Schwartz2009,
author = {Attar-Schwartz, S. and Tan, J.P. and Buchanan, A. and Flouri, E. and Griggs, J.},
title= {Grandparenting and adolescent adjustment in two-parent biological, lone-parent, and step-families},
year = {2009},
doi = {10.1037/a0014383},
volume = {23},
number = {1},
pages = {67--75},
}