TY  - JOUR
A1  - González Ferrer, A.
A1  - Beauchemin, C.
T1  - Sampling international migrants with origin-based snowballing method. New evidence on biases and limitations
Y1  - 2011
DO  - 10.4054/DemRes.2011.25.3
JF  - Demographic Research 
VL  - 25
IS  - 3

ER  -