000			00387nam a2200157Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a4 _bBL-O
100			_aBlack,Uyless
245		0	_aOptical networks third generation transport system
250			_a1st Ed.
260			_c2007 _aNew Delhi _bPearson
300			_a351
650			_aComputer Engineering
942			_cBK
999			_c4560 _d4560