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008			161018s9999 xx 000 0 und d
020			_a9780070499355
100			_aForouzan _9178
245			_aData Communication & Networking
250			_a2ED
260			_bMgh
300			_a994p. _bRs:490
490			_a16661
942			_02
999			_c16661 _d16661