Viswanathan, K. S. <br/><br/>
Cyclic periods of trapped Particles  / 
K. S. Viswanathan and P. Venkatarangan; published by National Aeronautical Laboratory, Bangalore 
 - Bangalore :  National Aeronautical Laboratory,  1964 
 - 08 p. ;  28 cm. 
 - Technical note no. : TN-PH-3-64 ; .
<br/><br/><label>Dewey Class. No.: </label>629.13072