000 | 00338nam a2200121Ia 4500 | ||
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008 | 210219s9999||||xx |||||||||||||| ||und|| | ||
082 | _a621.38 W179I | ||
100 |
_aWilliam, John B. _910887 |
||
245 | 0 |
_aIntroduction to fiber communication systems _c John B.William |
|
260 |
_aNew York. _bHolt. _c1988 |
||
300 | _axiv; 347p | ||
942 | _cBK | ||
999 |
_c31779 _d31779 |