Indian standard methods of test for soils Part XXVI   determination of pH value/1st rev. 

 - 1st rev.ed. 
 - New Delhi  Indian standards institution  1973 
<br/><br/><label>Subjects--Index Terms: </label>IS:2720(PartXXVI)-1973 
<br/><br/><label>Dewey Class. No.: </label>624.131.4:543.257.1