Aggarwal Satish Kumar <br/><br/>
Study of lower atmosphere using acoustic echo sounder in India 

 -  1979 
 - 235p.  p.  cm. 
<br/><br/><label>Standard No.: </label>75937 
<br/><br/><label>Source: </label> Theses 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHYSICS