Proceedings forty-second annual research session Madras, Tamil Nadu 20-29 1972 
/ Central Board of Irrigation And Power  
 -  Central Board of Irrigation And Power  
 - Central Board of Irrigation And Power   116 .
<br/><br/> Vol. 2A ( Technical paper on hydraulics); ii, 98p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Universal Decimal Class. No.: </label>631.62(063)  / L2.1