Risdon, P. J.  <br/><br/>
Wireless / 
P. J. Risdon. 
 - 2nd ed. 
 - London :  Ward lock & com.,  (...?). 
 - 384 p. :  ill. ;  22 cm. 
<br/><br/> Include Index. 
<br/><br/>340  340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wireless technology.
<br/><br/><label>Dewey Class. No.: </label>621.384 / R492w