000			00742nam a2200265Ia 4500
001			36714
005			20250221153930.0
008			250214s9999||||xx |||||||||||||| ||und||
100			_aSrivastav, C B L
245		2	_aA simplified approach to telecommunication and electronic switching systems
260			_aDelhi
260			_bDhanpat Rai and Co.
260			_c2006
300			_axx, 318p. ;
650			_aCellular mobile systems
650			_aElectronic switching systems
650			_aMultiplex systems
650			_aSwitching systems
650			_aTelecommunication systems
650			_aTelephone networks
650			_aTelevision service
700			_aNeelam Srivastava
700			_aSubodh Kumar Wairya
942			_cBK
999			_c52513 _d52513