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008 230718s9999||||xx |||||||||||||| ||und||
082 _a621.369
100 _aBLACK UYLESS
245 0 _aOPTICAL NETWORKS : THIRD GENERATION, TRANSPORT
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250 _a1
260 _bPEARSON EDUCATION
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_aSINGAPORE
300 _a331
999 _c40103
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