TY  - BOOK
AU  - Dutoit Brian  M Ed.
AU  -  Safa Helen I
TI  - Migration and urbanization :  Models and adaptive strategies   
SN  - 9027975795
U1  - Y:582.1-1.N7, L5/TD 
PY  - 1975///
CY  - Chicago
PB  - Mouton Publishers         
ER  -