000			00527nam a2200193Ia 4500
008			131223s9999 xx 000 0 und d
040			_aISI KOLKATA
041			_aEnglish
082			_a621.38195 _bD981
100			_aDuuren Jan van
245			_aTelecommunication networks and services
260			_aWokingham _bAddison-Wesley _c1992
300			_axi,212p.
650			_aElectrical engineering
650			_aTelecommunication networks
700			_aKastelein Peter _4Auth.
700			_aSchoute F C _4Auth.
942			_cBK
999			_c10935 _d10935