@article{Litwak1987,
author = {Litwak, E. and Longino, C.F.},
title= {Migration patterns among the Elderly: A developmental perspective},
year = {1987},
doi = {10.1093/geront/27.3.266},
journal = {The Gerontologist},
volume = {27},
number = {3},
pages = {266--272},
}