TY  - BOOK
AU  - Simon, Julian L.  .
TI  - Economic consequences of immigration / 
SN  - 0-631-15527-9
U1  - XObU426 
PY  - 1990///
CY  - Cambridge : 
PB  - Basil Blackwell Inc. , 
KW  - Imigrants- United State
ER  -