000 00304nam a2200133Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aJohn M Sonior
245 _aOptical Fiber Communications
250 _a2nd
260 _bDelhi:PHI
_c1992
300 _a921p.
650 _aComputer
999 _c1505
_d1505