@article{Portes1993,
author = {Portes, A. and Sensenbrenner, J.},
title= {Embeddedness and Immigration: Notes on the Social Determinants of Economic Action},
year = {1993},
doi = {10.2307/2781823},
journal = {American Journal of Sociology},
volume = {98},
number = {6},
pages = {1320--1350},
}