000 00319nam a2200133Ia 4500
008 160710s2009 xx 000 0 und d
020 _a1402098888
082 _a535 MA
100 _aMA, M Ed
245 _aCURRENT RESEARCH PROGRESS OF OPTICAL NETWORKS
260 _bSPRINGER
_c2009
300 _a280
942 _2ddc
_cB
999 _c65539
_d65539