Mitra S K <br/><br/>
Upper atmosphere 

 - 2nd 
 -  1952 
<br/><br/><label>Standard No.: </label>89,660 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>U294, H7;J2;1-;3