Brown, J. (John) <br/><br/>
Telecommunications 
J. Brown, E.V.D. Glazier 
 - 2nd ELBS ed. rev. by J. Brown 
 - London  English Language Book Society  1974 
 - 382p. ;  ill. ;  23cm 
<br/><br/><label>ISBN: </label>0412128500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication