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  1. 961
    Una sola tierra : el cuidado y conservación de un pequeño planeta /

    Una sola tierra : el cuidado y conservación de un pequeño planeta / by Ward, Barbara

    Published 1974
    Book
  2. 962
    Sistema nacional de áreas naturales protegidas de la Argentina : diagnóstico de su patrimonio natural y su desarrollo institucional /

    Sistema nacional de áreas naturales protegidas de la Argentina : diagnóstico de su patrimonio natural y su desarrollo institucional / by Burkart, Rodolfo

    Published 1994
    Book
  3. 963
    Edificando una sociedad perdurable /

    Edificando una sociedad perdurable / by Brown, Lester R.

    Published 1987
    Book
  4. 964
    Ecología /

    Ecología / by Odum, Eugene P.

    Published 1972
    Book
  5. 965
    Hombre y la biología de zonas áridas /

    Hombre y la biología de zonas áridas / by Cloudsley-Thompson, J. L.

    Published 1979
    Book
  6. 966
    Man and his physical environment : readings in environmental geology /

    Man and his physical environment : readings in environmental geology / by McKenizie, Garry D.

    Published 1975
    Book
  7. 967
    Anales de Parques Nacionales. Tomo XIV /

    Anales de Parques Nacionales. Tomo XIV /

    Published 1978
    Book
  8. 968
    El estado del mundo /

    El estado del mundo / by Brown, Lester R.

    Published 1988
    Book
  9. 969
    Loica viajes /

    Loica viajes /

    Published 1988
    Book
  10. 970
    Desarrollo agroindustrial de la provincia de Córdoba /

    Desarrollo agroindustrial de la provincia de Córdoba /

    Published 1984
    Book
  11. 971
    Conserving natural resources : principles and practice in a democracy /

    Conserving natural resources : principles and practice in a democracy / by Allen, Shirley Walter

    Published 1966
    Book
  12. 972
    Introducción al estudio de los recursos naturales /

    Introducción al estudio de los recursos naturales / by Brailovsky, Antonio Elio, 1946-

    Published 1987
    Book
  13. 973
    Recursos naturales /

    Recursos naturales / by Buchinger, María

    Published 1976
    Book
  14. 974
    Report on the first session : / Economic and Social Council official records /

    Report on the first session : / Economic and Social Council official records /

    Published 1971
    Conference Proceeding Book
  15. 975
    Conserving american resources /

    Conserving american resources / by Parson, Ruben L.

    Published 1960
    Book
  16. 976
    The great american forest /

    The great american forest / by Platt, Rutherford

    Published 1969
    Book
  17. 977
    Ecología de los recursos naturales /

    Ecología de los recursos naturales / by Simmons, Ian Gordon

    Published 1982
    Book
  18. 978
    Conservation of natural resources /

    Conservation of natural resources / by Smith, Guy Harold

    Published 1958
    Book
  19. 979
    Die Verborgene Wirklichkeit /

    Die Verborgene Wirklichkeit / by Streier, Eva María 1949-

    Published 1986
    Book
  20. 980
    Análisis económico de los recursos naturales /

    Análisis económico de los recursos naturales / by Zapata, Juan Antonio

    Published 1982
    Book

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