@article{Smith2019, author = "Timothy M Smith", title = "{Opportunity for Whom? Sources of Integenerational Mobility in the U.S.}", year = "2019", month = "6", url = "https://hammer.purdue.edu/articles/thesis/Opportunity_for_Whom_Sources_of_Integenerational_Mobility_in_the_U_S_/7820123", doi = "10.25394/PGS.7820123.v1" }