@article{Portes1993,
author = {Portes, A.  and Zhou, M.},
title= {The new second generation: Segmented assimilation and its variants},
year = {1993},
doi = {10.1177/0002716293530001006 },
journal = {The Annals of the American Academy of Political and Social Science},
volume = {530},
number = {1},
pages = {74--96},
}