000			00375nam a2200145Ia 4500
008			230326s9999 xx 000 0 und d
020			_a9780070648104
082			_a621.38275 _bKEI
100			_aKeiser, Gerd.
245		0	_aOptical Fiber Communications
250			_a4th.
260			_aNew Delhi; _bTata McGraw-Hill Publishing Company _c2012
300			_a578.
650			_a _a
999			_c16156 _d16156