000			00303nam a2200133Ia 4500
008			200906s9999 xx 000 0 und d
082			_a621.384 G958
100			_aGUILLEMAN,E.A
245		0	_aCOMMUNICATION NETWORKS
250			_a2
260			_bWILEY, NEW YORK _c1956
300			_a23X14
942			_cBK
999			_c61014 _d61014