000			00325nam a2200121Ia 4500
008			211209s1986 xx 000 0 und d
041			_aeng
082			_a004.6 N86 TIM
100			_aTIME-LIFE BOOKS PUB.
245			_aCOMMUNICATIONS (UNDERSTANDING COMPUTERS)
260			_aCHICAGO _bTIME-LIFE BOOKS PUB. _c1986
300			_a128
999			_c24007 _d24007