Ryder John D <br/><br/>
Networks, lines and fields 
Ryder John D 
 - 2 
 -  1955 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>39541 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics
<br/><br/><label>Dewey Class. No.: </label>D65, J5