000			00320nam a2200133Ia 4500
001			4586
008			150525s9999 xx 000 0 und d
020			_a0-07-034052-8
100			_aKennedy George
245			_aElectronic Commucation Systems
250			_a2
260			_aAuckland _bMc-Graw Hill _c1977
300			_a,;ill.
999			_c33812 _d33812