Smith, J. R. G. <br/><br/>
Elementary telecommunication practice / 
by J.R.G. Smith 
 - 3rd ed low-priced edition 
 - (London) :  The ELBS and Hodder and Stoughton,  1967 
 - 319 p. :  ill. ;  19 cm. 
<br/><br/><label>ISBN: </label>0340046198 
<br/><br/><label>LCCN: </label>69-023815 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication