Gayathri, B. <br/><br/>
Equatorial spread f occurence during summer solstice over Tirunelveli region 
B. Gayathri 
 - Mumbai  IIG  2022 
 - 28p  reference, figs 
<br/><br/> Dissertation report submitted to IIG,Navi Mumbai for partial fulfilment of Ph.D. course work 
<br/><br/><label>Universal Decimal Class. No.: </label>DR-043  / GAY