Held, Gilbert  (1943- ). <br/><br/>
Data communications networking devices / 
Gilbert Held. 
 - 3rd ed., reprinted. 
 - Chichester :  John Wiley & Sons,  1994. 
 - XX, 653 s. :  il. ;  25 cm. 
 - Wiley Communications Technology .
 - Wiley Communications Technology .
<br/><br/><label>ISBN: </label>0471930725 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transmisja danych.<br/>Sieci komputerowe.