TY  - BOOK
AU  - Jackson,John Archer
TI  - Migration / 
U1  - 325 JAC 
PY  - 1969///
CY  - Cambridge : 
PB  - University Press , 
KW  - Demography
KW  - Migration, Internal
KW  - Emigration and immigration
N1  -  Includes bibliographical references
ER  -