000 00338nam a2200121Ia 4500
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