Asphalt barrier technology water conservation studies / 
 Report 
Irrigation research institute 
 - Report No. IRR.407/PH/S.PHY-23 
 - Lahore :  Irrigation research institute;  jun 1982. 
 - various pages:  Illistration 
<br/><br/><br/>In English 
<br/><br/> Pbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530 SPH1982