000			00336nam a2200133Ia 4500
008			210901s1987 xx 000 0 eng d
082			_a621.387 SHA
100			_aSharma, N.
245		0	_aFibre optics in telecommunications
260			_aNew Delhi _bTata McGraw Hill _c1987
300			_a191
650			_aEngineering
942			_2ddc _cBK
999			_c17901 _d17901