INDIAN STANDARDS INSTITUTION <br/><br/>
Indian Standard Methods of Test for Soils Part XXV Determination od Silica Sesquixide Ratio  IS 2720 1982 

 - New Delhi  Indian Standard Institution  1983 
 - 7p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IS:2720(part25)1982