000 00292nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a71257098
082 _a302.2LEO
100 _aLeon Garcia Alberto
245 0 _aCommunication Networks
260 _bMcgraw hill
_c2004
942 _cBK
999 _c431200
_d431200