@article{Greenwood1969,
author = {Greenwood, M.J.},
title= {An analysis of the determinants of geographic labor mobility in the United States},
year = {1969},
doi = {10.2307/1926728},
URL = {https://doi.org/doi:10.2307/1926728},
volume = {51},
number = {2},
pages = {189‒194},
}