Mainly based on the material presented at the Nato Advanced Study Institute on droughts entitled Drought impact control technology, held at the National Labratory of civil Engineering in Lisbon, Portugal, in June 1980.-Pref
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Bibliography: p. 391-409
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Includes index
NOTES PERTAINING TO TITLE AND STATEMENT OF RESPONSIBILITY
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edited by Vujica Yevjevich, Luis da Cunha, Evan Vlachos