Calcagno, Alberto T. J. <br/><br/>
Water utilization and conservation techniques in domestic, industrial, agricultural, navigational and energy uses 

 - París :   UNESCO,   1987. 
 - p.v.; 28cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGUA<br/>UTILIZACION DEL AGUA
<br/><br/><label>Universal Decimal Class. No.: </label>628.17