Information Circular


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Bibliographic Index


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Subject Catalog


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Research Guide to the Arid Lands of the World


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For arid countries notes percentages and area of aridity; the bibliography covers the following aspects of drylands research: science and technology, geology, climatology, hydrology, soils, biology, agriculture, irrigation, plant culture, animal culture, agricultural economics, energy, demography, anthropology, medicine, urban and historical geography, architectureand economic development.