Smol, G. <br/><br/>
Telecommunications :  a systems approach / 
by G. Smol, M. P. R. Hamer, M. T. Hills. 
 - London :  Allen and Unwin,  1976. 
 - 3-270 p. :  ill. ; 
 - Open University set books .
<br/><br/><label>ISBN: </label>0046210229 :  0046210237   8.50. 
<br/><br/><label>Nat. Bib. No.: </label>GB76-04131 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.<br/>Telephone systems.<br/>Television.
<br/><br/><label>LC Class. No.: </label>TK5101  / .S574 
<br/><br/><label>Dewey Class. No.: </label>621.38