000			00321nam a2200133Ia 4500
008			161018s9999 xx 000 0 und d
020			_a0
100			_aRaja.J _91586
245			_aCommunication Switching System.
250			_a0Ed
260			_bAnuradha Publications Kumbakonam
300			_a354p. _bRs:120
490			_a2082
999			_c2082 _d2082