000			00351nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a131538756
082			_a621
082			_b381 WI
100			_a"Williams, Richard A"
245		0	_aCommunication Systems An
260			_aNew Jersey
260			_bP.H
260			_c1987
300			_a"VIII,470"
999			_c29150 _d29150