TY  - BOOK
AU  - Kritz Mary M, and others Ed.
TI  - International migration systems:  A global approach   
T2  - International Union for Scientific Study of Population Publication
SN  - 0198283563
U1  - Y:582.1.N9, N2 
PY  - 1992///
CY  - Oxford
PB  - Clarendon Press         
KW  - Migration
N1  - Bibliogarphy chapterwise
ER  -