More water for arid lands; promsing technologies and research opportunities. <br/><br/>
Report on tecnology Innovation Board on Science and Technology for International Development... 

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 - Washington - EEUU  National Academy of Sciences  1974 
 - 153p.  22,5 cm 
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Agua--Hidrologia--Geografia--<br/>Hidrologia