Gagliardi Robert M <br/><br/>
Optical communications. 
Gagliardi Robert M; Karp Sherman 
 -  1976 
<br/><br/><label>Standard No.: </label>15150 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65,5:4, L6