Code of practice for subsurface investigation for foundations 

 - 1st rev. 
 - New Delhi  Indian standards institution  1981 
<br/><br/><label>Subjects--Index Terms: </label>IS :1892-1979 
<br/><br/><label>Dewey Class. No.: </label>624.131.31:624.15.051:69.032.2:006.76