@article{Becker1998,
author = {Becker, C.M. and Hemley, D.D.},
title= {Demographic change in the former Soviet Union during the transition period.},
year = {1998},
doi = {10.1016/S0305-750X(98)00113-2},
journal = {World Development},
volume = {26},
number = {11},
pages = {1957--1975},
}