SAE and the evolved packet core 
SAE and the evolved packet core 
 -  "xxiii, 440p. :ill. ;22 cm. hbk." 
 - "Boston, MA"  Elsevier  2009 
<br/><br/><label>ISBN: </label>9780123748263 
<br/><br/><label>Dewey Class. No.: </label>621.38215 OLS  / 2.621.38215OLS