000			00330nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
082			_a621
082			_b382 VI
100			_a"Viswanathan, Thiagarajan"
245		0	_aTelecommunication Switch
260			_aNew Delhi
260			_bP.H.I
260			_c1997
300			_a"XX, 583"
999			_c36381 _d36381