000			00334nam a2200133Ia 4500
005			20260413100748.0
008			230516s9999||||xx |||||||||||||| ||und||
100			_aSenior John M
245		0	_aOptical fiber communication
260			_bPearson Delhi _c201
300			_a1076
942			_cGB
999			_c4422 _d4422