@article{Zárate1975,
author = {Zárate, A. and Unger De Zárate, A.},
title= {On the reconciliation of research findings of migrant-nonmigrant fertility differentials in urban areas},
year = {1975},
doi = {10.2307/3002746},
volume = {9},
number = {2},
pages = {115--156},
}