@book{Preston2003,
author = {Preston, Samuel H. and Elo, Irma T. and Hill, Mark E. and Rosenwaike, Ira},
title= {The demography of African Americans 1930–1990},
year = {2003},
doi = {10.1007/978-94-017-0325-3},
URL = {https://doi.org/10.1007/978-94-017-0325-3},
publisher = {Springer Netherlands},
}