Venkatappa rao <br/><br/>
Geosynthetics asia 97 
Venkatappa rao 
 - 1st 
 - India  Central board of irrigation and power   1997 
 - xx, VI.56  ill,: 
<br/><br/>
<br/><br/><label>Dewey Class. No.: </label>620.191  / GEO