TY  - BOOK
AU  - Alarcao Alberto de
TI  - Portuguese population in the history of civilizations: an introductory analysis for its comprehension and some problems
U1  - 304.60969 
PY  - 1983///
CY  - Oeiras
PB  - Instituto Gulbenkian de Ciencia
KW  - Population
KW  - Portugal
ER  -