000 00303nam a2200121Ia 4500
008 231014s9999 xx 000 0 und d
020 _a0-07-137505-8
090 _a621.3827 HEL
100 0 _aGil Held
245 0 0 _aDeploying Optical Networking Components
260 _bMcGraw Hill
_c1991
300 _a258 page
999 _c929
_d929