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  1. 261

    Envejecimiento de la especie humana by Olshansky, Stuart Jay

    Article
  2. 262

    Salud materna e infantil / by Weller, José

    Published 1985
    Book
  3. 263

    Sociología de la mortalidad infantil / by Guerreiro Ramos, Alberto

    Published 1955
    Book
  4. 264

    Geografía del subdesarrollo / by Lacoste, Ives

    Published 1984
    Book
  5. 265

    Paternidad responsable /

    Published 1972
    Book
  6. 266
  7. 267

    Tablas de mortalidad. by Ortega, Antonio

    Published 1982
    Book
  8. 268
  9. 269

    Salud, medicina y desarrollo económico-social. by Sonis, Abraam

    Published 1964
    Book
  10. 270

    Estadísticas históricas argentinas comparadas / by Vázquez-Presedo, Vicente

    Published 1971
    Book
  11. 271

    La población / by Wrong, Dennis Henrik von, 1916-

    Published 1976
    Book
  12. 272

    Problemas demográficos : controversia sobre control de población / by Thomlinson, Ralph

    Published 1971
    Book
  13. 273

    Una nueva Argentina / by Bunge, Alejandro E.

    Published 1940
    Book
  14. 274

    Temas sobre poblaciòn / by Borrini, Hèctor Rubèn

    Published 1998
    Book
  15. 275
  16. 276

    Different seasons : biological aging among the mennonites of the Midwestern United States /

    Published 2000
    Book
  17. 277

    Cambios demográficos en América Latina : la experiencia de cinco siglos /

    Published 1998
    Conference Proceeding Book
  18. 278

    Dora Estela Celton / by Celton, Dora Estela

    Published 1989
    Book
  19. 279

    Step-by-step guide to the estimation child mortality /

    Published 1990
    Book
  20. 280

    Anuario estadístico : año 1936 /

    Published 1940
    Book