000			00315nam a2200121Ia 4500
005			20251007104358.0
008			251006s9999 xx 000 0 und d
100			_ahills,m.t.
245		0	_a.telecommunication systems design evans,b.g.(jt. auth)
260			_a1st ed. | .London Allen
260			_c1973
942			_cBOK
999			_c5939 _d5939