000			00358nam a2200145Ia 4500
999			_c43077 _d43077
005			20200227155019.0
008			190719s9999 xx 000 0 und d
020			_a0-07-707325-8
082			_a621.38415 W329
100			_aWaters, Gill
245		0	_aComputer Communication Networks
260			_aLondon _bMcGraw-Hill _c1991
300			_a23X15
942			_cBK