Gross, Lynne S..
Telecommunications: an introduction to electronic media /
Lynne Schafer Gross 
. - 5th edition 
. - Madison : Dubuque : WCB Brown & Benchmark Publishers,  1995 
. - xiii, 460 p.  ill., schem.  23 cm. 
<br/>К.: Бібліогр. в прим. : с. 420-437, Покажчик 
<br/><label>  ISBN: </label>0-697-20138-4