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  1. 41
    Informe anual 1980.

    Informe anual 1980.

    Published 1981
    Book
  2. 42
    Wastes and their treatment : information sources, Nairobi 1994.

    Wastes and their treatment : information sources, Nairobi 1994.

    Published 1994
    Book
  3. 43
    Colonizacion de los territorios aridos y lucha contra la desertificacion : enfoque integral.

    Colonizacion de los territorios aridos y lucha contra la desertificacion : enfoque integral.

    Published 1987
    Book
  4. 44
    Salvemos el planeta : problemas y esperanzas: el estado del medio ambiente (1972-1992) /

    Salvemos el planeta : problemas y esperanzas: el estado del medio ambiente (1972-1992) /

    Published 1992
    Book
  5. 45
    Los niños y el medio ambiente : el estado del medio ambiente 1990.

    Los niños y el medio ambiente : el estado del medio ambiente 1990.

    Published 1990
    Book
  6. 46
    Informe final, 14-26 de octubre de 1977.

    Informe final, 14-26 de octubre de 1977.

    Published 1977
    Conference Proceeding Book
  7. 47
    Las cuentas del patrimonio natural en argentina.

    Las cuentas del patrimonio natural en argentina.

    Published 1990
    Conference Proceeding Book
  8. 48
    The global 500 : roll of honour for environmental achievement.

    The global 500 : roll of honour for environmental achievement.

    Published 1995
    Book
  9. 49
    Veinte años despues de Estocolmo : informe anual de PNUMA.

    Veinte años despues de Estocolmo : informe anual de PNUMA.

    Published 1993
    Book
  10. 50
    The global 500 : roll of honour for environmental achievement, 1987-1992.

    The global 500 : roll of honour for environmental achievement, 1987-1992.

    Published 1992
    Book
  11. 51
    Partnerships for sustainable development : the role of business and industry.

    Partnerships for sustainable development : the role of business and industry.

    Published 1994
    Book
  12. 52
    Guidelines for environmental management of aluminium smelters.

    Guidelines for environmental management of aluminium smelters.

    Published 1986
    Book
  13. 53
    Guidelines for enviromental management of iron and steel works.

    Guidelines for enviromental management of iron and steel works.

    Published 1986
    Book
  14. 54
    The global 500 : roll of honour for environmental achievement.

    The global 500 : roll of honour for environmental achievement.

    Published 1996
    Book
  15. 55
    Informe de evaluación 1994.

    Informe de evaluación 1994.

    Published 1995
    Book
  16. 56
    Sound environmental management in the pulp and paper industry : seminar paper and documents.

    Sound environmental management in the pulp and paper industry : seminar paper and documents.

    Published 1987
    Conference Proceeding Book
  17. 57
    Programa de las Naciones Unidas para el medio ambiente : hechos destacados del bienio.

    Programa de las Naciones Unidas para el medio ambiente : hechos destacados del bienio.

    Published 1995
    Book
  18. 58
    Environmental management in the pulp and paper industry.

    Environmental management in the pulp and paper industry.

    Published 1996
    Book
  19. 59
    The enviromental management of industrial estates.

    The enviromental management of industrial estates.

    Published 1997
    Book
  20. 60
    Steel industry and the enviroment : technical and management issues.

    Steel industry and the enviroment : technical and management issues.

    Published 1997
    Book

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