Russell, T. <br/><br/>
Signaling System #7 2Ed (Pb 2015)  / 
Russell T. 
 - 1st edition 
 -  Mcgrawhill Exclusive (Cbs) ,  2015 
 - 507 
<br/><br/><label>ISBN: </label>9789385880247 
<br/><br/><label>Dewey Class. No.: </label>621.385  / RUS