000 00322nam a2200133Ia 4500
008 150317s9999 xx 000 0 und d
080 _a681.14
_bCOM
245 _aCommunications
260 _aVirginia
_bTime-Life Books
_c1986
300 _a74p.
500 _aUnderstanding computers
650 _aMedia
942 _2udc
_cBK
999 _c7554
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