000			00484nam a2200169Ia 4500
008			220530s9999 xx 000 0 und d
020			_a9780070595019
041			_aeng
082			_a621.3821 _bLEO
100			_aLeon Alberto _957304
245			_aCommunication Networks _bFundamentals concepts and Key Architectures
250			_a2nd editions
260			_aNoida _bTata McGraw hill Publishers _c2012
300			_a900 P _bPB
700			_a Widjaja Indra _957305
906			_a160 _bCOMP
999			_c51828 _d51828