@article{Pitkin2011,
author = {Pitkin, J. and Myers, D.},
title= {A summary period measure of immigrant advancement in the U.S.},
year = {2011},
doi = {10.4054/DemRes.2011.24.12},
journal = {Demographic Research},
volume = {24},
number = {12},
pages = {257--292},
}