TY  - BOOK
AU  - Cebula,Richard J.
TI  - The determinants of human migration
SN  - 0669030961
PY  - 1979///
CY  - Lexington, Mass
PB  - Lexington Books
KW  - Migration, Internal
KW  - United States
KW  - Mathematical models
N1  - Includes bibliographies and index
ER  -