Druzhinin, I P  <br/><br/>
Solar activity and sudden changes in the natural processes on earth:   A statistical analysis  

 - Delhi:   Indian National Scientific Documentation Centre,   173 
 - 295p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature 
<br/><br/><label>Subjects--Index Terms: </label>Solar system  
<br/><br/><label>Universal Decimal Class. No.: </label>551.51/.57:551.46  / L3