000			00323nam a2200133Ia 4500
005			20260413100940.0
008			230516s9999||||xx |||||||||||||| ||und||
100			_aGowar, John
245		0	_aOptical Communication System
260			_bN. Delhi, PHI _c2003
300			_a696
942			_cGB
999			_c5700 _d5700