000 00209 a2200097 4500
001 22592
100 _aShrader, R L
245 _aElectronic communication
260 _a
_bMc Grawhill
_c
090 _c15250
_d15250
942 _aNUST-CAE
_cM
_c5837
999 _c257665
_d257665