Sankar Das, M. <br/><br/>
Trace analysis and technological development 

 - New Delhi  Wiley Eastern   1960 
<br/><br/><label>Subjects--Index Terms: </label>High purity materiala  nuclear technology  Life Sciences  earth sciences  Indutry 
<br/><br/><label>Dewey Class. No.: </label>539.17  / M3