@article{Mora2007,
author = {Mora, A.P. and Mora, M.T. and Davila, A.},
title= {The English-language proficiency of recent immigrants in the U.S. during the early 1900s},
year = {2007},
doi = {10.1057/eej.2007.4},
volume = {33},
number = {1},
pages = {65--80},
}