000			00364nam a2200145Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a0-07-460138-5
082			_a621.382 4 GHA
100			_aGhatak, Ajoy _93384
245		0	_aOptics
250			_a2nd
260			_aTata mcgraw hill _bNew Delhi _c2002
300			_b185
650			_aOPTICAL COMMUNICATION
999			_c171544 _d171544