@article{Case2001,
author = {Case, A. and Lin, I-F. and McLanahan, S.},
title= {Educational attainment of siblings in stepfamilies},
year = {2001},
doi = {10.1016/S1090-5138(01)00069-1},
journal = {Evolution and Human Behavior},
volume = {22},
number = {4},
pages = {269--289},
}