Paper
«The calculation of demographic projections by sex and age for the Portuguese resident population over a 15-year (1975-1980-1985-1990) constitutes the purpose of the present work.
A synthetical analysis of te demographic situation observed between 1965 and 1975 in Portugal, it is identical to the main support to the delimitation of the several assumptions of trends for the set of population variables. (...)»
Instituto Nacional de Estatística - Perspectivas de Evolução da População Portuguesa : 1975-1980-1985-1990. Lisboa :INE, 1978 (Série Estudos ; 50). Available at www: <url:https://www.ine.pt/xurl/pub/265059676>
