TY  - RPRT
TI  - Migration, risk aversion, and regional differentiation.
AU  - T R Smith
PY  - 1979
DO  - 10.1111/j.1467-9787.1979.tb00569.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12310613/
ID  - 12310613
ER  -