000			00445nam a22001577a 4500
003			OSt
008			221109b ||||| |||| 00| 0 eng d
020			_a9788131707807
082			_a621.3827 _bBLA
100			_aBlack, Uyless
245			_aOptical networks: _bThird generation transport systems
260			_aNew Delhi: _bPearson Education, _c©2007
300			_axx, 331p.
650			_aElectronics and Communication Engineering
942			_2ddc _cBK
999			_c9269 _d9269