Sodha M.S. <br/><br/>
Self focusing of laser beams 

 - New Delhi  Tata McGraw Hill India      1974 
<br/><br/><label>Standard No.: </label>103555 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>C6:211, L4