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008			231229s9999 xx 000 0 und d
020			_a9780070617254
040			_cRIT
100			_aE D TITTEL
245		0	_aCOMPUTER NETWORKING
260			_c2008 _bTATA MC GROW HILL
300			_a9.30 I.6
942			_cDB
999			_c116708 _d116708