000			00438nam a22001817a 4500
003			NUST - PNEC
005			20170116180931.0
008			150905b xxu||||| |||| 00| 0 eng d
020			_a0672270668
040			_cLIBRARY
082			_a621.3692 HEC
100			_98121 _aHecht, Jeff
245			_aUnderstanding fiber optics _cJeff Hecht
250			_a2nd ed.
260			_cc.1993
650			_98123 _aFiber Optics _xEE
942			_2ddc _cBK
999			_c65913 _d65913