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  1. 1

    Trends in research and in the application of science and technology for arid zone development.

    Publicat 1979
    Llibre

    Trends in research and in the application of science and technology for arid zone development.
  2. 2

    The desert per Leopold, A. Starker 1913-

    Publicat 1976
    Llibre

    The desert

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