000			00561nam a2200181Ia 4500
008			161214s9999 xx 000 0 und d
020			_a084939595X _c(hbk)
082			_223 _a621.38 _bSUM
100			_aSummers, Charles K.
245		0	_aADSL standards, implementation and architecture
260			_aBoca Raton: _bCRC Press, _c1999
300			_axvii, 196 p.; _bill., index: _c24 cm.
650			_aTelephone switching systems, Electronic
650			_aData transmission systems
650			_aModems
650			_aTelecommunication -- Standards
942			_2ddc _cBK
999			_c25549 _d25549