@article{Perez2009,
author = {Perez, A.D. and Hirschman, C.},
title= {The changing racial and ethnic composition of the US population: Emerging American identities},
year = {2009},
doi = {10.1111/j.1728-4457.2009.00260.x},
volume = {35},
number = {1},
pages = {1--51},
}