000			00353nam a2200133Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a621.38 _bROB-C
100			_aRobert H,
245		0	_aCommunication System Ed 2
260			_bNATIONAL BOOKSTALL _aKottayam
630			_xGENERAL STACK
650			_aTechnology _vCommunication Systems
942			_cBOOK
999			_c42797 _d42797