000 00265nam a2200121Ia 4500
020 _a9780256174045
100 _aJean Walrand
245 _aCommunication Networks: A First Course
250 _a2nd
260 _c1998
_bMGH
_aBoston
300 _axv+336
942 _cBK
999 _c28339
_d28339