Dunlop, J. <br/><br/>
Telecommunications engineering   
by J.Dunlop, D.G.Smith 
 - 2nd. ed. 
 - London  Van Nostrand Reinhold  1989 
 - xii, 508p. 
<br/><br/><label>ISBN: </label>0278000827 
<br/><br/><label>Dewey Class. No.: </label>621.38  / N892