@article{Corra2014,
author = {Corra, M.K. and Borch, C.},
title= {Socioeconomic differences among blacks in America: Over time trends},
year = {2014},
doi = {10.1007/s12552-014-9114-5},
journal = {Race and Social Problems},
volume = {6},
number = {2},
pages = {103--119},
}