TY  - JOUR
A1  - Portes, A.
A1  - Böröcz, J.
T1  - Contemporary immigration: Theoretical perspectives on its determinants and modes of incorporation
Y1  - 1989
DO  - 10.2307/2546431
JF  - International Migration Review
VL  - 23
IS  - 3
SP  - 606
EP  - -630

ER  -