-
1de réir National Research council. Committee on Population and Demography
Foilsithe / Cruthaithe 1984LEABHAR -
2de réir National Research Council. Committee on Population and Demography
Foilsithe / Cruthaithe 1983LEABHAR -
3de réir National Research Council. Committee on Population and Demography
Foilsithe / Cruthaithe 1983LEABHAR -
4de réir National Research Council. Committee on Population and Demography
Foilsithe / Cruthaithe 1983LEABHAR -
5de réir National Research Council. Committee on Population and Demography
Foilsithe / Cruthaithe 1982LEABHAR -
6de réir National Research Council. Committee on Population and Demography
Foilsithe / Cruthaithe 1982LEABHAR -
7