Venkatesn,S <br/><br/>
Sub-soil deformeter  its principle, operation, interpretation and application 

 - New Delhi  Oxford  1992 
 - 60p. 
<br/><br/><label>ISBN: </label>8120406842 
<br/><br/><label>Subjects--Index Terms: </label>Soil 
<br/><br/><label>Dewey Class. No.: </label>624.13  / VAE