Demography
Demography > 2012 > 49 > 1 > 219-237
Demography > 2012 > 49 > 2 > 699-718
Demography > 2012 > 49 > 3 > 1061-1074
Demography > 2012 > 49 > 1 > 219-237
Demography > 2012 > 49 > 2 > 699-718
Demography > 2012 > 49 > 3 > 1061-1074