000 00270nam a2200109Ia 4500
008 211209s9999 xx 000 0 und d
041 _aeng
082 _a005.746 TOM
100 _aTOMASI
245 _aINTRODUCTION TO DATA COMMUNICATION AND NETWORKING
260 _bPEARSON
999 _c81049
_d81049