000			00290nam a2200121 4500
020			_a0-02-379161-6
082			_a001.64.m316u
100			_aMcGill Ellen
245			_aUnderstanding Computers./ Ellen McGill
260			_aUSA:Macmillan.
300			_a272p./30cm.
650			_a1.UNDERSTANDING.
999			_c25216 _d25216