Mithra, S. K. <br/><br/>
The upper atmosphere 
Sisir Kumar Mitra 
 - Calcatta  Asiatic Society  1951 
 - 713p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atomospheric Physics<br/>Upper atomosphere
<br/><br/><label>Universal Decimal Class. No.: </label>551.51  / MIT