00770nab a2200253 a 4500 AR-ReUNN 20260702001713.0 260701s ag |||||||||||||||||eng eng Chesnais, J. C. 110913 Demographic transition patterns and their impact on the age structure pp. 327-336 tbls., gráfs. Transicion Demografica 47431 Composicion de la Poblacion 65811 Distribucion por Edad 103766 Analisis Demografico 10977 Jovenes 7107 Ancianos 6675 Population and Development Review 0098-7921 v. 16 n. 2 (1990) 186924 ART (IIGHI)180069 201869 201869 201869 AR-ReUNN spa AR-ReUNN aacr2