000			00366nam a2200169Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
082			_a16404
245		0	_aComputer communication systems.
260			_aNULL
260			_bGlobal Business Press.
260			_c1994
300			_a106p.
365			_b250
650			_aCOMPUTER
942			_cDBK
999			_c24559 _d24559